devon energy corporation and subsidiaries notes to consolidated financial statements 2013 ( continued ) debt maturities as of december 31 , 2014 , excluding premiums and discounts , are as follows ( in millions ) : .
[['2015', '$ 1432'], ['2016', '350'], ['2017', '2014'], ['2018', '875'], ['2019', '1337'], ['2020 and thereafter', '7263'], ['total', '$ 11257']]
credit lines devon has a $ 3.0 billion syndicated , unsecured revolving line of credit ( the senior credit facility ) .the maturity date for $ 30 million of the senior credit facility is october 24 , 2017 .the maturity date for $ 164 million of the senior credit facility is october 24 , 2018 .the maturity date for the remaining $ 2.8 billion is october 24 , 2019 .amounts borrowed under the senior credit facility may , at the election of devon , bear interest at various fixed rate options for periods of up to twelve months .such rates are generally less than the prime rate .however , devon may elect to borrow at the prime rate .the senior credit facility currently provides for an annual facility fee of $ 3.8 million that is payable quarterly in arrears .as of december 31 , 2014 , there were no borrowings under the senior credit facility .the senior credit facility contains only one material financial covenant .this covenant requires devon 2019s ratio of total funded debt to total capitalization , as defined in the credit agreement , to be no greater than 65 percent .the credit agreement contains definitions of total funded debt and total capitalization that include adjustments to the respective amounts reported in the accompanying consolidated financial statements .also , total capitalization is adjusted to add back noncash financial write-downs such as full cost ceiling impairments or goodwill impairments .as of december 31 , 2014 , devon was in compliance with this covenant with a debt-to- capitalization ratio of 20.9 percent .commercial paper devon has access to $ 3.0 billion of short-term credit under its commercial paper program .commercial paper debt generally has a maturity of between 1 and 90 days , although it can have a maturity of up to 365 days , and bears interest at rates agreed to at the time of the borrowing .the interest rate is generally based on a standard index such as the federal funds rate , libor or the money market rate as found in the commercial paper market .as of december 31 , 2014 , devon 2019s commercial paper borrowings of $ 932 million have a weighted- average borrowing rate of 0.44 percent .retirement of senior notes on november 13 , 2014 , devon redeemed $ 1.9 billion of senior notes prior to their scheduled maturity , primarily with proceeds received from its asset divestitures .the redemption includes the 2.4% ( 2.4 % ) $ 500 million senior notes due 2016 , the 1.2% ( 1.2 % ) $ 650 million senior notes due 2016 and the 1.875% ( 1.875 % ) $ 750 million senior notes due 2017 .the notes were redeemed for $ 1.9 billion , which included 100 percent of the principal amount and a make-whole premium of $ 40 million .on the date of redemption , these notes also had an unamortized discount of $ 2 million and unamortized debt issuance costs of $ 6 million .the make-whole premium , unamortized discounts and debt issuance costs are included in net financing costs on the accompanying 2014 consolidated comprehensive statement of earnings. .

Question: what percentage increase occurred from oct 24 , 2017 to oct 24 , 2018 of senior credit facility maturity?
Answer: 446%