human
the company 2019s stock performance the following graph compares cumulative total return of the company 2019s common stock with the cumulative total return of (i) the nasdaq stock market-united states, and (ii) the nasdaq biotechnology index. the graph assumes (a) $100 was invested on july 31, 2001 in each of the company 2019s common stock, the stocks comprising the nasdaq stock market-united states and the stocks comprising the nasdaq biotechnology index, and (b) the reinvestment of dividends. comparison of 65 month cumulative total return* among alexion pharmaceuticals, inc., the nasdaq composite index and the nasdaq biotechnology index alexion pharmaceuticals, inc. nasdaq composite nasdaq biotechnology.
|  | 7/02 | 7/03 | 7/04 | 7/05 | 12/05 | 12/06 | 12/07 |
| --------- | --------- | --------- | --------- | --------- | --------- | --------- | --------- |
| Alexion Pharmaceuticals, Inc. | 100.00 | 108.38 | 102.64 | 167.89 | 130.56 | 260.41 | 483.75 |
| NASDAQ Composite | 100.00 | 128.98 | 142.51 | 164.85 | 168.24 | 187.43 | 204.78 |
| NASDAQ Biotechnology | 100.00 | 149.29 | 146.51 | 176.75 | 186.10 | 183.89 | 187.04 |
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Please answer the following question with expressions if necessary.
and how much does this change represent in relation to that value in february, in percentage?
assistant
subtract(108.38, 100), divide(#0, 100)