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 question with expressions if necessary.
what is the net change divided by the 2012 value?
assistant
subtract(148, 100), divide(#0, 100)