Table:
|  | Number of Units | Grant Date Fair Value |
| --- | --- | --- |
| Outstanding at January 1, 2019 | 997,173 | $52.22 |
| Granted | 945,159 | 49.48 |
| Vested | (386,060) | 51.79 |
| Forfeited | (59,579) | 50.56 |
| Outstanding at December 31, 2019 | 1,496,693 | $50.67 |
Paragraphs:
Restricted Stock Awards
We present below a summary of changes in unvested units of restricted stock during 2019:
The Company recorded equity-based compensation expense related to restricted stock and RSUs (collectively “restricted stock awards”) of $31.8 million, $19.9 million, and $16.2 million in 2019, 2018 and 2017, respectively. The total fair value of restricted stock awards vested in 2019, 2018 and 2017, based on market value at the vesting dates was $18.2 million, $18.1 million, and $18.8 million, respectively. The weighted average grant-date fair value of RSUs granted during fiscal year 2019, 2018 and 2017 was $49.48, $51.72 and $49.01, respectively. As of December 31, 2019, unrecognized compensation cost related to unvested RSU totaled $47.5 million and is expected to be recognized over a weighted average period of approximately 2.5 years. In January 2017, we elected to recognize forfeitures of equity-based payments as they occur.
awards”) of $31.8 million, $19.9 million, and $16.2 million in 2019, 2018 and 2017, respectively. The total fair value of restricted
stock awards vested in 2019, 2018 and 2017, based on market value at the vesting dates was $18.2 million, $18.1 million, and $18.8
million, respectively. The weighted average grant-date fair value of RSUs granted during fiscal year 2019, 2018 and 2017 was $49.48,
$51.72 and $49.01, respectively. As of December 31, 2019, unrecognized compensation cost related to unvested RSU totaled $47.5
million and is expected to be recognized over a weighted average period of approximately 2.5 years. In January 2017, we elected to
recognize forfeitures of equity-based payments as they occur.
Included in RSU grants for the year ended December 31, 2019 are 282,327 units that have performance-based vesting criteria. The
performance criteria are tied to our financial performance. As of December 31, 2019, the associated equity-based compensation
expense has been recognized for the portion of the award attributable to the 2019 performance criteria.
Question:
What is the change in the outstanding number of shares between the beginning and end of the year 2019?
Answer: 1496693-997173 = 499520