Table:
|  | 2019 | 2018 |
| --- | --- | --- |
|  | Number | Number |
| Outstanding at 1 April | 3,104,563 | 2,682,738 |
| Options granted in the year | 452,695 | 1,188,149 |
| Dividend shares awarded | 9,749 | – |
| Options forfeited in the year | (105,213) | (766,324) |
| Options exercised in the year | (483,316) | – |
| Outstanding at 31 March | 2.978,478 | 3,104,563 |
| Exercisable at 31 March | 721,269 | – |
Paragraphs:
The number of options outstanding and exercisable as at 31 March was as follows:
The weighted average market value per ordinary share for PSP options exercised in 2019 was 445.0p (2018: n/a). The PSP awards outstanding at 31 March 2019 have a weighted average remaining vesting period of 0.8 years (2018: 1.2 years) and a weighted average contractual life of 7.6 years (2018: 8.2 years).
Question:
What was the change in the amount Outstanding at 1 April in 2019 from 2018?
Answer: 3104563-2682738 = 421825