pre_text: notes to consolidated financial statements jpmorgan chase & co . 162 jpmorgan chase & co . / 2007 annual report note 25 2013 accumulated other comprehensive income ( loss ) accumulated other comprehensive income ( loss ) includes the after-tax change in sfas 115 unrealized gains and losses on afs securities , sfas 52 foreign currency translation adjustments ( including the impact of related derivatives ) , sfas 133 cash flow hedging activities and sfas 158 net loss and prior service cost ( credit ) related to the firm 2019s defined benefit pension and opeb plans . net loss and accumulated translation prior service ( credit ) of other unrealized gains ( losses ) adjustments , cash defined benefit pension comprehensive ( in millions ) on afs securities ( a ) net of hedges flow hedges and opeb plans ( e ) income ( loss ) balance at december 31 , 2004 $ ( 61 ) $ ( 8 ) $ ( 139 ) $ 2014 $ ( 208 ) net change ( 163 ) ( b ) 2014 ( 255 ) 2014 ( 418 ) balance at december 31 , 2005 ( 224 ) ( 8 ) ( 394 ) 2014 ( 626 ) net change 253 ( c ) 13 ( 95 ) 2014 171 adjustment to initially apply sfas 158 , net of taxes 2014 2014 2014 ( 1102 ) ( 1102 ) .
post_text: net change 352 ( d ) 3 ( 313 ) 599 641 balance at december 31 , 2007 $ 380 $ 8 $ ( 802 ) $ ( 503 ) $ ( 917 ) ( a ) represents the after-tax difference between the fair value and amortized cost of the afs securities portfolio and retained interests in securitizations recorded in other assets . ( b ) the net change during 2005 was due primarily to higher interest rates , partially offset by the reversal of unrealized losses from securities sales . ( c ) the net change during 2006 was due primarily to the reversal of unrealized losses from securities sales . ( d ) the net change during 2007 was due primarily to a decline in interest rates . ( e ) for further discussion of sfas 158 , see note 9 on pages 124 2013130 of this annual report. .
table: (in millions) Unrealized gains (losses) on AFS securities<sup></sup><sup>(a)</sup><sup></sup> Translation adjustments, net of hedges Cash flow hedges Net loss andprior service (credit) of defined benefit pension and OPEB plans<sup></sup><sup>(e)</sup><sup></sup> Accumulated other comprehensive income (loss)
table: Balance at December 31, 2004 $ (61) $ (8) $ (139) $ — $ (208)
table: Net change (163)<sup></sup><sup>(b)</sup><sup></sup> — (255) — (418)
table: Balance at December 31, 2005 (224) (8) (394) — (626)
table: Net change 253<sup></sup><sup>(c)</sup><sup></sup> 13 (95) — 171
table: Adjustment to initially apply SFAS 158, net of taxes — — — (1,102) (1,102)
table: Balance at December 31, 2006 29 5 (489) (1,102) (1,557)
table: Cumulative effect of changes in accounting principles (SFAS 159) (1) — — — (1)
table: Balance at January 1, 2007, adjusted 28 5 (489) (1,102) (1,558)
table: Net change 352<sup>(d)</sup> 3 (313) 599 641
table: Balance at December 31, 2007 $ 380 $ 8 $ (802) $ (503) $ (917)
question: Analyse this data from a financial earnings document. what was the percentage change in unrealized gains ( losses ) on afs securities from december 31 , 2006 to december 31 , 2007?