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: federal realty investment trust schedule iii summary of real estate and accumulated depreciation - continued three years ended december 31 , 2011 reconciliation of accumulated depreciation and amortization ( in thousands ) balance , december 31 , 2008................................................................................................................................... . additions during period 2014depreciation and amortization expense .................................................................... . deductions during period 2014disposition and retirements of property ................................................................. . balance , december 31 , 2009................................................................................................................................... . additions during period 2014depreciation and amortization expense .................................................................... . deductions during period 2014disposition and retirements of property ................................................................. . balance , december 31 , 2010................................................................................................................................... . additions during period 2014depreciation and amortization expense .................................................................... . deductions during period 2014disposition and retirements of property ................................................................. . balance , december 31 , 2011................................................................................................................................... . $ 846258 103698 ( 11869 ) 938087 108261 ( 11144 ) 1035204 114180 ( 21796 ) $ 1127588 . <table class='wikitable'><tr><td>1</td><td>balance december 31 2008</td><td>$ 846258</td></tr><tr><td>2</td><td>additions during period 2014depreciation and amortization expense</td><td>103698</td></tr><tr><td>3</td><td>deductions during period 2014disposition and retirements of property</td><td>-11869 ( 11869 )</td></tr><tr><td>4</td><td>balance december 31 2009</td><td>938087</td></tr><tr><td>5</td><td>additions during period 2014depreciation and amortization expense</td><td>108261</td></tr><tr><td>6</td><td>deductions during period 2014disposition and retirements of property</td><td>-11144 ( 11144 )</td></tr><tr><td>7</td><td>balance december 31 2010</td><td>1035204</td></tr><tr><td>8</td><td>additions during period 2014depreciation and amortization expense</td><td>114180</td></tr><tr><td>9</td><td>deductions during period 2014disposition and retirements of property</td><td>-21796 ( 21796 )</td></tr><tr><td>10</td><td>balance december 31 2011</td><td>$ 1127588</td></tr></table> federal realty investment trust schedule iii summary of real estate and accumulated depreciation - continued three years ended december 31 , 2011 reconciliation of accumulated depreciation and amortization ( in thousands ) balance , december 31 , 2008................................................................................................................................... . additions during period 2014depreciation and amortization expense .................................................................... . deductions during period 2014disposition and retirements of property ................................................................. . balance , december 31 , 2009................................................................................................................................... . additions during period 2014depreciation and amortization expense .................................................................... . deductions during period 2014disposition and retirements of property ................................................................. . balance , december 31 , 2010................................................................................................................................... . additions during period 2014depreciation and amortization expense .................................................................... . deductions during period 2014disposition and retirements of property ................................................................. . balance , december 31 , 2011................................................................................................................................... . $ 846258 103698 ( 11869 ) 938087 108261 ( 11144 ) 1035204 114180 ( 21796 ) $ 1127588 .
Question: what was the value in 2009?
Answer: 108261.0
Question: what was the value in 2008?

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103698.0
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