{"pre_text": ["contractual obligations for future payments under existing debt and lease commitments and purchase obli- gations at december 31 , 2005 , were as follows : in millions 2006 2007 2008 2009 2010 thereafter ."], "post_text": ["( a ) the 2006 amount includes $ 2.4 billion for contracts made in the ordinary course of business to purchase pulpwood , logs and wood chips .", "the majority of our other purchase obligations are take-or-pay or purchase commitments made in the ordinary course of business related to raw material purchases and energy contracts .", "other significant items include purchase obligations related to contracted services .", "transformation plan in july 2005 , the company announced a plan to focus its business portfolio on two key global platform businesses : uncoated papers ( including distribution ) and packaging .", "the plan also focuses on improving shareholder return through mill realignments in those two businesses , additional cost improvements and exploring strategic options for other businesses , includ- ing possible sale or spin-off .", "in connection with this process , in the third quarter of 2005 , the company completed the sale of its 50.5% ( 50.5 % ) interest in carter holt harvey limited .", "other businesses currently under re- view include : 2022 the coated and supercalendered papers busi- ness , including the coated groundwood mill and associated assets in brazil , 2022 the beverage packaging business , including the pine bluff , arkansas mill , 2022 the kraft papers business , including the roa- noke rapids , north carolina mill , 2022 arizona chemical , 2022 the wood products business , and 2022 segments or potentially all of the company 2019s 6.5 million acres of u.s .", "forestlands .", "consistent with this evaluation process , the com- pany has distributed bid package information for some of these businesses .", "the exact timing of this evaluation process will vary by business ; however , it is anticipated that decisions will be made for some of these businesses during 2006 .", "while the exact use of any proceeds from potential future sales is dependent upon various factors affecting future cash flows , such as the amount of any proceeds received and changes in market conditions , input costs and capital spending , the company remains committed to using its free cash flow in 2006 to pay down debt , to return value to shareholders , and for se- lective high-return investments .", "critical accounting policies the preparation of financial statements in con- formity with generally accepted accounting principles in the united states requires international paper to estab- lish accounting policies and to make estimates that af- fect both the amounts and timing of the recording of assets , liabilities , revenues and expenses .", "some of these estimates require judgments about matters that are in- herently uncertain .", "accounting policies whose application may have a significant effect on the reported results of operations and financial position of international paper , and that can require judgments by management that affect their application , include sfas no .", "5 , 201caccounting for contingencies , 201d sfas no .", "144 , 201caccounting for the impairment or disposal of long-lived assets , 201d sfas no .", "142 , 201cgoodwill and other intangible assets , 201d sfas no .", "87 , 201cemployers 2019 accounting for pensions , 201d sfas no .", "106 , 201cemployers 2019 accounting for postretirement benefits other than pensions , 201d as amended by sfas nos .", "132 and 132r , 201cemployers 2019 disclosures about pension and other postretirement benefits , 201d and sfas no .", "109 , 201caccounting for income taxes . 201d the following is a discussion of the impact of these accounting policies on international paper : contingent liabilities .", "accruals for contingent li- abilities , including legal and environmental matters , are recorded when it is probable that a liability has been incurred or an asset impaired and the amount of the loss can be reasonably estimated .", "liabilities accrued for legal matters require judgments regarding projected outcomes and range of loss based on historical experience and recommendations of legal counsel .", "additionally , as dis- cussed in note 10 of the notes to consolidated finan- cial statements in item 8 .", "financial statements and supplementary data , reserves for projected future claims settlements relating to exterior siding and roofing prod- ucts previously manufactured by masonite require judgments regarding projections of future claims rates and amounts .", "international paper utilizes an in- dependent third party consultant to assist in developing these estimates .", "liabilities for environmental matters require evaluations of relevant environmental regu- lations and estimates of future remediation alternatives and costs .", "international paper determines these esti- mates after a detailed evaluation of each site .", "impairment of long-lived assets and goodwill .", "an impairment of a long-lived asset exists when the asset 2019s carrying amount exceeds its fair value , and is recorded when the carrying amount is not recoverable through future operations .", "a goodwill impairment exists when the carrying amount of goodwill exceeds its fair value .", "assessments of possible impairments of long-lived assets and goodwill are made when events or changes in cir- cumstances indicate that the carrying value of the asset ."], "table": [["in millions", "2006", "2007", "2008", "2009", "2010", "thereafter"], ["total debt", "$ 1181", "$ 570", "$ 308", "$ 2330", "$ 1534", "$ 6281"], ["lease obligations", "172", "144", "119", "76", "63", "138"], ["purchase obligations ( a )", "3264", "393", "280", "240", "204", "1238"], ["total", "$ 4617", "$ 1107", "$ 707", "$ 2646", "$ 1801", "$ 7657"]], "table_ori": [["<i>In millions</i>", "2006", "2007", "2008", "2009", "2010", "Thereafter"], ["Total debt", "$1,181", "$570", "$308", "$2,330", "$1,534", "$6,281"], ["Lease obligations", "172", "144", "119", "76", "63", "138"], ["Purchase obligations (a)", "3,264", "393", "280", "240", "204", "1,238"], ["Total", "$4,617", "$1,107", "$707", "$2,646", "$1,801", "$7,657"]]}

Question: what is the change in total debt to be repaid in the contractual obligations for future payments under existing debt and lease commitments and purchase obligations at december 31 , 2005 between 2008 and 2007?
Evidence:
table_1: in millions the total debt of 2006 is $ 1181 ; the total debt of 2007 is $ 570 ; the total debt of 2008 is $ 308 ; the total debt of 2009 is $ 2330 ; the total debt of 2010 is $ 1534 ; the total debt of thereafter is $ 6281 ;
Program: subtract(308, 570)
Answer:
str_answer: -262
exe_answer: -262