Table:
|  | Number of Shares | Weighted Average Grant Date Fair Value |
| --- | --- | --- |
| Nonvested shares at March 31, 2016 | 6,307,742 | $36.76 |
| Granted | 1,635,655 | 51.46 |
| Assumed upon acquisition | 2,059,524 | 46.57 |
| Forfeited | (722,212) | 43.58 |
| Vested | (2,861,253) | 38.60 |
| Nonvested shares at March 31, 2017 | 6,419,456 | 42.06 |
| Granted | 1,267,536 | 77.26 |
| Forfeited | (279,051) | 49.65 |
| Vested | (1,735,501) | 38.00 |
| Nonvested shares at March 31, 2018 | 5,672,440 | 50.79 |
| Granted | 1,951,408 | 77.83 |
| Assumed upon acquisition | 1,805,680 | 91.70 |
| Forfeited | (408,242) | 73.36 |
| Vested | (2,729,324) | 61.51 |
| Nonvested shares at March 31, 2019 | 6,291,962 | $64.81 |
Paragraphs:
Combined Incentive Plan Information
RSU share activity under the 2004 Plan is set forth below:
The total intrinsic value of RSUs which vested during the years ended March 31, 2019, 2018 and 2017 was $229.3 million, $146.0 million and $166.1 million, respectively. The aggregate intrinsic value of RSUs outstanding at March 31, 2019 was $522.0 million, calculated based on the closing price of the Company's common stock of $82.96 per share on March 29, 2019. At March 31, 2019, the weighted average remaining expense recognition period was 1.91 years.
Question:
What was the change in the number of vested shares between 2017 and 2018?
Answer: -2729324-(-1735501) = -993823