{"pre_text": ["approximately $ 32 million of federal tax payments were deferred and paid in 2009 as a result of the allied acquisition .", "the following table summarizes the activity in our gross unrecognized tax benefits for the years ended december 31: ."], "post_text": ["new accounting guidance for business combinations became effective for our 2009 financial statements .", "this new guidance changed the treatment of acquired uncertain tax liabilities .", "under previous guidance , changes in acquired uncertain tax liabilities were recognized through goodwill .", "under the new guidance , subsequent changes in acquired unrecognized tax liabilities are recognized through the income tax provision .", "as of december 31 , 2010 , $ 206.5 million of the $ 222.8 million of unrecognized tax benefits related to tax positions taken by allied prior to the 2008 acquisition .", "included in the balance at december 31 , 2010 and 2009 are approximately $ 209.1 million and $ 217.6 million of unrecognized tax benefits ( net of the federal benefit on state issues ) that , if recognized , would affect the effective income tax rate in future periods .", "during 2010 , the irs concluded its examination of our 2005 and 2007 tax years .", "the conclusion of this examination reduced our gross unrecognized tax benefits by approximately $ 1.9 million .", "we also resolved various state matters during 2010 that , in the aggregate , reduced our gross unrecognized tax benefits by approximately $ 10.0 million .", "during 2009 , we settled our outstanding tax dispute related to allied 2019s risk management companies ( see 2013 risk management companies ) with both the department of justice ( doj ) and the internal revenue service ( irs ) .", "this settlement reduced our gross unrecognized tax benefits by approximately $ 299.6 million .", "during 2009 , we also settled with the irs , through an accounting method change , our outstanding tax dispute related to intercompany insurance premiums paid to allied 2019s captive insurance company .", "this settlement reduced our gross unrecognized tax benefits by approximately $ 62.6 million .", "in addition to these federal matters , we also resolved various state matters that , in the aggregate , reduced our gross unrecognized tax benefits during 2009 by approximately $ 5.8 million .", "we recognize interest and penalties as incurred within the provision for income taxes in our consolidated statements of income .", "related to the unrecognized tax benefits previously noted , we accrued interest of $ 19.2 million during 2010 and , in total as of december 31 , 2010 , have recognized a liability for penalties of $ 1.2 million and interest of $ 99.9 million .", "during 2009 , we accrued interest of $ 24.5 million and , in total at december 31 , 2009 , had recognized a liability for penalties of $ 1.5 million and interest of $ 92.3 million .", "during 2008 , we accrued penalties of $ 0.2 million and interest of $ 5.2 million and , in total at december 31 , 2008 , had recognized a liability for penalties of $ 88.1 million and interest of $ 180.0 million .", "republic services , inc .", "notes to consolidated financial statements , continued ."], "table": [["", "2010", "2009", "2008"], ["balance at beginning of year", "$ 242.2", "$ 611.9", "$ 23.2"], ["additions due to the allied acquisition", "-", "13.3", "582.9"], ["additions based on tax positions related to current year", "2.8", "3.9", "10.6"], ["reductions for tax positions related to the current year", "-", "-", "-5.1 ( 5.1 )"], ["additions for tax positions of prior years", "7.5", "5.6", "2.0"], ["reductions for tax positions of prior years", "-7.4 ( 7.4 )", "-24.1 ( 24.1 )", "-1.3 ( 1.3 )"], ["reductions for tax positions resulting from lapse of statute of limitations", "-10.4 ( 10.4 )", "-0.5 ( 0.5 )", "-0.4 ( 0.4 )"], ["settlements", "-11.9 ( 11.9 )", "-367.9 ( 367.9 )", "-"], ["balance at end of year", "$ 222.8", "$ 242.2", "$ 611.9"]], "table_ori": [["", "2010", "2009", "2008"], ["Balance at beginning of year", "$242.2", "$611.9", "$23.2"], ["Additions due to the Allied acquisition", "-", "13.3", "582.9"], ["Additions based on tax positions related to current year", "2.8", "3.9", "10.6"], ["Reductions for tax positions related to the current year", "-", "-", "(5.1)"], ["Additions for tax positions of prior years", "7.5", "5.6", "2.0"], ["Reductions for tax positions of prior years", "(7.4)", "(24.1)", "(1.3)"], ["Reductions for tax positions resulting from lapse of statute of limitations", "(10.4)", "(0.5)", "(0.4)"], ["Settlements", "(11.9)", "(367.9)", "-"], ["Balance at end of year", "$222.8", "$242.2", "$611.9"]]}

Question: what was the percent of the decline in the gross unrecognized tax benefits from 2009 to 2010
Evidence:
table_9: the balance at end of year of 2010 is $ 222.8 ; the balance at end of year of 2009 is $ 242.2 ; the balance at end of year of 2008 is $ 611.9 ;
Program: subtract(222.8, 242.2), divide(#0, 242.2)
Answer:
str_answer: -8%
exe_answer: -0.0801