notes to the consolidated financial statements the credit agreement provides that loans will bear interest at rates based , at the company 2019s option , on one of two specified base rates plus a margin based on certain formulas defined in the credit agreement . additionally , the credit agreement contains a commitment fee on the amount of unused commitment under the credit agreement ranging from 0.125% ( 0.125 % ) to 0.625% ( 0.625 % ) per annum . the applicable interest rate and the commitment fee will vary depending on the ratings established by standard & poor 2019s financial services llc and moody 2019s investor service inc . for the company 2019s non-credit enhanced , long- term , senior , unsecured debt . the credit agreement contains usual and customary restrictive covenants for facilities of its type , which include , with specified exceptions , limitations on the company 2019s ability to create liens or other encumbrances , to enter into sale and leaseback transactions and to enter into consolidations , mergers or transfers of all or substantially all of its assets . the credit agreement also requires the company to maintain a ratio of total indebtedness to total capitalization , as defined in the credit agreement , of sixty percent or less . the credit agreement contains customary events of default that would permit the lenders to accelerate the repayment of any loans , including the failure to make timely payments when due under the credit agreement or other material indebtedness , the failure to satisfy covenants contained in the credit agreement , a change in control of the company and specified events of bankruptcy and insolvency . there were no amounts outstanding under the credit agreement at december 31 , on november 12 , 2010 , ppg completed a public offering of $ 250 million in aggregate principal amount of its 1.900% ( 1.900 % ) notes due 2016 ( the 201c2016 notes 201d ) , $ 500 million in aggregate principal amount of its 3.600% ( 3.600 % ) notes due 2020 ( the 201c2020 notes 201d ) and $ 250 million in aggregate principal amount of its 5.500% ( 5.500 % ) notes due 2040 ( the 201c2040 notes 201d ) . these notes were issued pursuant to an indenture dated as of march 18 , 2008 ( the 201coriginal indenture 201d ) between the company and the bank of new york mellon trust company , n.a. , as trustee ( the 201ctrustee 201d ) , as supplemented by a first supplemental indenture dated as of march 18 , 2008 between the company and the trustee ( the 201cfirst supplemental indenture 201d ) and a second supplemental indenture dated as of november 12 , 2010 between the company and the trustee ( the 201csecond supplemental indenture 201d and , together with the original indenture and the first supplemental indenture , the 201cindenture 201d ) . the company may issue additional debt from time to time pursuant to the original indenture . the indenture governing these notes contains covenants that limit the company 2019s ability to , among other things , incur certain liens securing indebtedness , engage in certain sale-leaseback transactions , and enter into certain consolidations , mergers , conveyances , transfers or leases of all or substantially all the company 2019s assets . the terms of these notes also require the company to make an offer to repurchase notes upon a change of control triggering event ( as defined in the second supplemental indenture ) at a price equal to 101% ( 101 % ) of their principal amount plus accrued and unpaid interest . cash proceeds from this notes offering was $ 983 million ( net of discount and issuance costs ) . the discount and issuance costs related to these notes , which totaled $ 17 million , will be amortized to interest expense over the respective terms of the notes . ppg 2019s non-u.s . operations have uncommitted lines of credit totaling $ 791 million of which $ 31 million was used as of december 31 , 2010 . these uncommitted lines of credit are subject to cancellation at any time and are generally not subject to any commitment fees . short-term debt outstanding as of december 31 , 2010 and 2009 , was as follows : ( millions ) 2010 2009 20ac650 million revolving credit facility , 0.8% ( 0.8 % ) as of dec . 31 , 2009 $ 2014 $ 110 other , weighted average 3.39% ( 3.39 % ) as of dec . 31 , 2010 and 2.2% ( 2.2 % ) as of december 31 , 2009 24 158 total $ 24 $ 268 ppg is in compliance with the restrictive covenants under its various credit agreements , loan agreements and indentures . the company 2019s revolving credit agreements include a financial ratio covenant . the covenant requires that the amount of total indebtedness not exceed 60% ( 60 % ) of the company 2019s total capitalization excluding the portion of accumulated other comprehensive income ( loss ) related to pensions and other postretirement benefit adjustments . as of december 31 , 2010 , total indebtedness was 45% ( 45 % ) of the company 2019s total capitalization excluding the portion of accumulated other comprehensive income ( loss ) related to pensions and other postretirement benefit adjustments . additionally , substantially all of the company 2019s debt agreements contain customary cross- default provisions . those provisions generally provide that a default on a debt service payment of $ 10 million or more for longer than the grace period provided ( usually 10 days ) under one agreement may result in an event of default under other agreements . none of the company 2019s primary debt obligations are secured or guaranteed by the company 2019s affiliates . interest payments in 2010 , 2009 and 2008 totaled $ 189 million , $ 201 million and $ 228 million , respectively . 2010 ppg annual report and form 10-k 43 .

2010: 20ac650 million revolving credit facility 0.8% ( 0.8 % ) as of dec . 31 2009: 2014
other weighted average 3.39% ( 3.39 % ) as of dec . 31 2010 and 2.2% ( 2.2 % ) as of december 31 2009: 24
total: 24
2009: 20ac650 million revolving credit facility 0.8% ( 0.8 % ) as of dec . 31 2009: 110
other weighted average 3.39% ( 3.39 % ) as of dec . 31 2010 and 2.2% ( 2.2 % ) as of december 31 2009: 158
total: 268

notes to the consolidated financial statements the credit agreement provides that loans will bear interest at rates based , at the company 2019s option , on one of two specified base rates plus a margin based on certain formulas defined in the credit agreement . additionally , the credit agreement contains a commitment fee on the amount of unused commitment under the credit agreement ranging from 0.125% ( 0.125 % ) to 0.625% ( 0.625 % ) per annum . the applicable interest rate and the commitment fee will vary depending on the ratings established by standard & poor 2019s financial services llc and moody 2019s investor service inc . for the company 2019s non-credit enhanced , long- term , senior , unsecured debt . the credit agreement contains usual and customary restrictive covenants for facilities of its type , which include , with specified exceptions , limitations on the company 2019s ability to create liens or other encumbrances , to enter into sale and leaseback transactions and to enter into consolidations , mergers or transfers of all or substantially all of its assets . the credit agreement also requires the company to maintain a ratio of total indebtedness to total capitalization , as defined in the credit agreement , of sixty percent or less . the credit agreement contains customary events of default that would permit the lenders to accelerate the repayment of any loans , including the failure to make timely payments when due under the credit agreement or other material indebtedness , the failure to satisfy covenants contained in the credit agreement , a change in control of the company and specified events of bankruptcy and insolvency . there were no amounts outstanding under the credit agreement at december 31 , on november 12 , 2010 , ppg completed a public offering of $ 250 million in aggregate principal amount of its 1.900% ( 1.900 % ) notes due 2016 ( the 201c2016 notes 201d ) , $ 500 million in aggregate principal amount of its 3.600% ( 3.600 % ) notes due 2020 ( the 201c2020 notes 201d ) and $ 250 million in aggregate principal amount of its 5.500% ( 5.500 % ) notes due 2040 ( the 201c2040 notes 201d ) . these notes were issued pursuant to an indenture dated as of march 18 , 2008 ( the 201coriginal indenture 201d ) between the company and the bank of new york mellon trust company , n.a. , as trustee ( the 201ctrustee 201d ) , as supplemented by a first supplemental indenture dated as of march 18 , 2008 between the company and the trustee ( the 201cfirst supplemental indenture 201d ) and a second supplemental indenture dated as of november 12 , 2010 between the company and the trustee ( the 201csecond supplemental indenture 201d and , together with the original indenture and the first supplemental indenture , the 201cindenture 201d ) . the company may issue additional debt from time to time pursuant to the original indenture . the indenture governing these notes contains covenants that limit the company 2019s ability to , among other things , incur certain liens securing indebtedness , engage in certain sale-leaseback transactions , and enter into certain consolidations , mergers , conveyances , transfers or leases of all or substantially all the company 2019s assets . the terms of these notes also require the company to make an offer to repurchase notes upon a change of control triggering event ( as defined in the second supplemental indenture ) at a price equal to 101% ( 101 % ) of their principal amount plus accrued and unpaid interest . cash proceeds from this notes offering was $ 983 million ( net of discount and issuance costs ) . the discount and issuance costs related to these notes , which totaled $ 17 million , will be amortized to interest expense over the respective terms of the notes . ppg 2019s non-u.s . operations have uncommitted lines of credit totaling $ 791 million of which $ 31 million was used as of december 31 , 2010 . these uncommitted lines of credit are subject to cancellation at any time and are generally not subject to any commitment fees . short-term debt outstanding as of december 31 , 2010 and 2009 , was as follows : ( millions ) 2010 2009 20ac650 million revolving credit facility , 0.8% ( 0.8 % ) as of dec . 31 , 2009 $ 2014 $ 110 other , weighted average 3.39% ( 3.39 % ) as of dec . 31 , 2010 and 2.2% ( 2.2 % ) as of december 31 , 2009 24 158 total $ 24 $ 268 ppg is in compliance with the restrictive covenants under its various credit agreements , loan agreements and indentures . the company 2019s revolving credit agreements include a financial ratio covenant . the covenant requires that the amount of total indebtedness not exceed 60% ( 60 % ) of the company 2019s total capitalization excluding the portion of accumulated other comprehensive income ( loss ) related to pensions and other postretirement benefit adjustments . as of december 31 , 2010 , total indebtedness was 45% ( 45 % ) of the company 2019s total capitalization excluding the portion of accumulated other comprehensive income ( loss ) related to pensions and other postretirement benefit adjustments . additionally , substantially all of the company 2019s debt agreements contain customary cross- default provisions . those provisions generally provide that a default on a debt service payment of $ 10 million or more for longer than the grace period provided ( usually 10 days ) under one agreement may result in an event of default under other agreements . none of the company 2019s primary debt obligations are secured or guaranteed by the company 2019s affiliates . interest payments in 2010 , 2009 and 2008 totaled $ 189 million , $ 201 million and $ 228 million , respectively . 2010 ppg annual report and form 10-k 43 .

Questions:
what was the total of interest payments in 2009?
an what was it in 2008?
what was, then, the variation over the year?
and concerning these same payments, what was the ratio of the 2010 ones to the 2009 ones?
assuming this ratio continues between 2011 and 2010, what will be, in 2011, the total of those payments?

Answers:
201
228
-27
94%
177.7