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 & 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 , 2009 and that all dividends were reinvested . market performance . <table class='wikitable'><tr><td>1</td><td>company / index</td><td>2009</td><td>2010</td><td>2011</td><td>2012</td><td>2013</td><td>2014</td></tr><tr><td>2</td><td>teleflex incorporated</td><td>100</td><td>102</td><td>119</td><td>142</td><td>190</td><td>235</td></tr><tr><td>3</td><td>s&p 500 index</td><td>100</td><td>115</td><td>117</td><td>136</td><td>180</td><td>205</td></tr><tr><td>4</td><td>s&p 500 healthcare equipment & supply index</td><td>100</td><td>97</td><td>97</td><td>113</td><td>144</td><td>182</td></tr></table> s&p 500 healthcare equipment & supply index 100 97 97 113 144 182 .
Question: what was the difference in the share price of teleflex incorporated between 2009 and 2010?
Answer: 2.0
Question: and the price as of 2009?

100.0