human
table of contents performance graph the following performance graph shows the cumulative total return to a holder of the company 2019s common stock, assuming dividend reinvestment, compared with the cumulative total return, assuming dividend reinvestment, of the standard & poor ("s&p") 500 index and the dow jones us financials index during the period from december 31, 2010 through december 31, 2015. .
|  | 12/10 | 12/11 | 12/12 | 12/13 | 12/14 | 12/15 |
| --------- | --------- | --------- | --------- | --------- | --------- | --------- |
| E*TRADE Financial Corporation | 100.00 | 49.75 | 55.94 | 122.75 | 151.59 | 185.25 |
| S&P 500 Index | 100.00 | 102.11 | 118.45 | 156.82 | 178.29 | 180.75 |
| Dow Jones US Financials Index | 100.00 | 87.16 | 110.56 | 148.39 | 170.04 | 170.19 |
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Please answer the following questions with expressions if necessary.
what is the change in the value of an investment in e*trade financial corporation from 2010 to 2015?
assistant
subtract(185.25, const_100)
human
what return does this represent?
assistant
subtract(185.25, const_100), divide(#0, const_100)