human
state street corporation | 52 shareholder return performance presentation the graph presented below compares the cumulative total shareholder return on state street's common stock to the cumulative total return of the s&p 500 index, the s&p financial index and the kbw bank index over a five-year period. the cumulative total shareholder return assumes the investment of $100 in state street common stock and in each index on december 31, 2012. it also assumes reinvestment of common stock dividends. the s&p financial index is a publicly available, capitalization-weighted index, comprised of 67 of the standard & poor 2019s 500 companies, representing 27 diversified financial services companies, 23 insurance companies, and 17 banking companies. the kbw bank index is a modified cap-weighted index consisting of 24 exchange-listed stocks, representing national money center banks and leading regional institutions. .
|  | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 |
| --------- | --------- | --------- | --------- | --------- | --------- | --------- |
| State Street Corporation | $100 | $159 | $172 | $148 | $178 | $227 |
| S&P 500 Index | 100 | 132 | 151 | 153 | 171 | 208 |
| S&P Financial Index | 100 | 136 | 156 | 154 | 189 | 230 |
| KBW Bank Index | 100 | 138 | 151 | 151 | 195 | 231 |
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Please answer the following questions with expressions if necessary.
what was the value of the s&p500 index in 2015?
assistant
153
human
and what was the original amount invested in it in 2012?
assistant
100
human
what was, then, the change in the value of the stock from 2012 to 2015?
assistant
subtract(153, 100)
human
what was the original amount invested in the stock in 2012?
assistant
100
human
and how much does that change represent in relation to this original amount?
assistant
subtract(153, 100), divide(#0, 100)