In the context of this series of interconnected finance-related queries and the additional information provided by the pretext, table data, and posttext from a company's financial filings, please provide a response to the final question. This may require extracting information from the context and performing mathematical calculations. Please take into account the information provided in the preceding questions and their answers when formulating your response:
Context: 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 .
Conversations: 
q0: what was the value in 2009? 108261.0
Question: what was the value in 2008?
Answer: