human
25feb201400255845 performance graph the following graph compares the performance of our common stock with that of the s&p 500 index and the s&p 500 healthcare equipment index. the cumulative total return listed below assumes an initial investment of $100 on december 31, 2008 and reinvestment of dividends. comparison of five year cumulative total return 2008 2009 2010 2011 20132012 edwards lifesciences s&p 500 s&p 500 healthcare equipment december 31.
| Total Cumulative Return | 2009 | 2010 | 2011 | 2012 | 2013 |
| --------- | --------- | --------- | --------- | --------- | --------- |
| Edwards Lifesciences | $158.05 | $294.23 | $257.32 | $328.19 | $239.34 |
| S&P 500 | 126.46 | 145.51 | 148.59 | 172.37 | 228.19 |
| S&P 500 Healthcare Equipment Index | 120.83 | 117.02 | 123.37 | 145.84 | 186.00 |
.
Please answer the following questions with expressions if necessary.
what is the net change in value of edwards lifesciences in 2013 less 100?
assistant
subtract(239.34, const_100)
human
what is the percent change?
assistant
subtract(239.34, const_100), divide(#0, const_100)