human
stock performance graph the following graph provides a comparison of five year cumulative total stockholder returns of teleflex common stock, the standard & poor 2019s (s&p) 500 stock index and the s&p 500 healthcare equipment & supply index. the annual changes for the five-year period shown on the graph are based on the assumption that $100 had been invested in teleflex common stock and each index on december 31, 2010 and that all dividends were reinvested. market performance.
| Company / Index | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 |
| --------- | --------- | --------- | --------- | --------- | --------- | --------- |
| Teleflex Incorporated | 100 | 117 | 138 | 185 | 229 | 266 |
| S&P 500 Index | 100 | 102 | 118 | 157 | 178 | 181 |
| S&P 500 Healthcare Equipment & Supply Index | 100 | 99 | 116 | 148 | 187 | 199 |
s&p 500 healthcare equipment & supply index 100 99 116 148 187 199.
Please compute the result.
what is the change value of the s&p healthcare index from 2010 to 2015?
assistant
99.0
human
what is the change in value of the s&p 500 from 2010 to 2015?
assistant
81.0
human
what is the difference between the two values?
assistant
18.0