Table:
|  |  | Fiscal |  |
| --- | --- | --- | --- |
|  | 2019 | 2018 | 2017 |
|  |  | (in millions) |  |
| Number of common shares repurchased | 12 | 10 | 8 |
| Repurchase value | $ 1,014 | $ 966 | $ 621 |
Paragraphs:
Share Repurchase Program
In both fiscal 2019 and 2018, our board of directors authorized increases of $1.5 billion in our share repurchase program. Common shares repurchased under the share repurchase program were as follows:
At fiscal year end 2019, we had $1.5 billion of availability remaining under our share repurchase authorization.
Question:
What was the percentage change in the Number of common shares repurchased in 2019 from 2018?
Answer: (12-10)/10 = 20