stock performance graph the following graph provides a comparison of five year cumulative total stockholder returns of teleflex common stock , the standard a0& 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 a031 , 2012 and that all dividends were reinvested .market performance . company / index                             | 2012 | 2013 | 2014 | 2015 | 2016 | 2017
teleflex incorporated                       | 100  | 134  | 166  | 192  | 237  | 368 
s&p 500 index                               | 100  | 132  | 151  | 153  | 171  | 208 
s&p 500 healthcare equipment & supply index | 100  | 128  | 161  | 171  | 181  | 238  s&p 500 healthcare equipment & supply index 100 128 161 171 181 238 .
Question: what was the price of teleflex in 2017?
Steps: Ask for number 368
Answer: 368.0
Question: what was the price of teleflex in 2012?
Steps: Ask for number 100
Answer: 100.0
Question: what is the net change in price?
Steps: subtract(368, 100)
Answer: 268.0
Question: what was the price of teleflex in 2012?
Steps: Ask for number 100
Answer: 100.0
Question: what is the percent change, or roi?

Read the following texts and table with financial data from an S&P 500 earnings report carefully.Based on the question-answer history (if provided), answer the last question. The answer may require mathematical calculation based on the data provided.
stock performance graph the following graph provides a comparison of five year cumulative total stockholder returns of teleflex common stock , the standard a0& 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 a031 , 2012 and that all dividends were reinvested .market performance . company / index                             | 2012 | 2013 | 2014 | 2015 | 2016 | 2017
teleflex incorporated                       | 100  | 134  | 166  | 192  | 237  | 368 
s&p 500 index                               | 100  | 132  | 151  | 153  | 171  | 208 
s&p 500 healthcare equipment & supply index | 100  | 128  | 161  | 171  | 181  | 238  s&p 500 healthcare equipment & supply index 100 128 161 171 181 238 .
Question: what was the price of teleflex in 2017?
Steps: Ask for number 368
Answer: 368.0
Question: what was the price of teleflex in 2012?
Steps: Ask for number 100
Answer: 100.0
Question: what is the net change in price?
Steps: subtract(368, 100)
Answer: 268.0
Question: what was the price of teleflex in 2012?
Steps: Ask for number 100
Answer: 100.0
Question: what is the percent change, or roi?
