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.


table of contents company stock performance the following graph shows a five-year comparison of cumulative total shareholder return , calculated on a dividend reinvested basis , for the company , the s&p 500 index , the s&p computer hardware index , and the dow jones u.s . technology supersector index . the graph assumes $ 100 was invested in each of the company 2019s common stock , the s&p 500 index , the s&p computer hardware index , and the dow jones u.s . technology supersector index as of the market close on september 30 , 2008 . data points on the graph are annual . note that historic stock price performance is not necessarily indicative of future stock price performance . fiscal year ending september 30 . copyright 2013 s&p , a division of the mcgraw-hill companies inc . all rights reserved . copyright 2013 dow jones & co . all rights reserved . *$ 100 invested on 9/30/08 in stock or index , including reinvestment of dividends . september 30 , september 30 , september 30 , september 30 , september 30 , september 30 . <table class='wikitable'><tr><td>1</td><td>-</td><td>september 30 2008</td><td>september 30 2009</td><td>september 30 2010</td><td>september 30 2011</td><td>september 30 2012</td><td>september 30 2013</td></tr><tr><td>2</td><td>apple inc .</td><td>$ 100</td><td>$ 163</td><td>$ 250</td><td>$ 335</td><td>$ 589</td><td>$ 431</td></tr><tr><td>3</td><td>s&p 500 index</td><td>$ 100</td><td>$ 93</td><td>$ 103</td><td>$ 104</td><td>$ 135</td><td>$ 161</td></tr><tr><td>4</td><td>s&p computer hardware index</td><td>$ 100</td><td>$ 118</td><td>$ 140</td><td>$ 159</td><td>$ 255</td><td>$ 197</td></tr><tr><td>5</td><td>dow jones us technology supersector index</td><td>$ 100</td><td>$ 111</td><td>$ 124</td><td>$ 128</td><td>$ 166</td><td>$ 175</td></tr></table> .
Question: what was the value of the s&p index in 2013?
Answer: 161.0
Question: and what was the change in its value since 2008?

61.0