Read the following texts and table with financial data from an S&P 500 earnings report carefully.Based on the question-answer history (if provided), answer the last question. The answer may require mathematical calculation based on the data provided.

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 ) . <table class='wikitable'><tr><td>1</td><td>( in millions )</td><td>unrealized gains ( losses ) on afs securities ( a )</td><td>translation adjustments net of hedges</td><td>cash flow hedges</td><td>net loss andprior service ( credit ) of defined benefit pension and opeb plans ( e )</td><td>accumulated other comprehensive income ( loss )</td></tr><tr><td>2</td><td>balance at december 31 2004</td><td>$ -61 ( 61 )</td><td>$ -8 ( 8 )</td><td>$ -139 ( 139 )</td><td>$ 2014</td><td>$ -208 ( 208 )</td></tr><tr><td>3</td><td>net change</td><td>( 163 ) ( b )</td><td>2014</td><td>-255 ( 255 )</td><td>2014</td><td>-418 ( 418 )</td></tr><tr><td>4</td><td>balance at december 31 2005</td><td>-224 ( 224 )</td><td>-8 ( 8 )</td><td>-394 ( 394 )</td><td>2014</td><td>-626 ( 626 )</td></tr><tr><td>5</td><td>net change</td><td>253 ( c )</td><td>13</td><td>-95 ( 95 )</td><td>2014</td><td>171</td></tr><tr><td>6</td><td>adjustment to initially apply sfas 158 net of taxes</td><td>2014</td><td>2014</td><td>2014</td><td>-1102 ( 1102 )</td><td>-1102 ( 1102 )</td></tr><tr><td>7</td><td>balance at december 31 2006</td><td>29</td><td>5</td><td>-489 ( 489 )</td><td>-1102 ( 1102 )</td><td>-1557 ( 1557 )</td></tr><tr><td>8</td><td>cumulative effect of changes in accounting principles ( sfas 159 )</td><td>-1 ( 1 )</td><td>2014</td><td>2014</td><td>2014</td><td>-1 ( 1 )</td></tr><tr><td>9</td><td>balance at january 1 2007 adjusted</td><td>28</td><td>5</td><td>-489 ( 489 )</td><td>-1102 ( 1102 )</td><td>-1558 ( 1558 )</td></tr><tr><td>10</td><td>net change</td><td>352 ( d )</td><td>3</td><td>-313 ( 313 )</td><td>599</td><td>641</td></tr><tr><td>11</td><td>balance at december 31 2007</td><td>$ 380</td><td>$ 8</td><td>$ -802 ( 802 )</td><td>$ -503 ( 503 )</td><td>$ -917 ( 917 )</td></tr></table> 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. .
Question: what was the difference in unrealized gains on afs securities between 12/31/06 and 12/31/07?

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