Table:
|  |  | Years Ended June 30, |  |
| --- | --- | --- | --- |
| (in millions, except per share data) | 2019 | 2018 | 2017 |
| Net income | $167.0 | $188.5 | $47.0 |
| Less: earnings and dividends allocated to participating securities | (1.9) | (1.7) | (0.3) |
| Earnings available for common shareholders used in calculation of basic earnings per share | $165.1 | $186.8 | $46.7 |
| Weighted average number of common shares outstanding, basic | 47.7 | 47.2 | 47.0 |
| Basic earnings per common share | $3.46 | $3.96 | $0.99 |
| Net income | $167.0 | $188.5 | $47.0 |
| Less: earnings and dividends allocated to participating securities | (1.9) | (1.7) | (0.3) |
| Earnings available for common shareholders used in calculation of diluted earnings per share | $165.1 | $186.8 | $46.7 |
| Weighted average number of common shares outstanding, basic | 47.7 | 47.2 | 47.0 |
| Effect of shares issuable under share-based compensation plans | 0.4 | 0.4 | 0.1 |
| Weighted average number of common shares outstanding, diluted | 48.1 | 47.6 | 47.1 |
| Diluted earnings per common share | $3.43 | $3.92 | $0.99 |
Paragraphs:
5. Earnings per Common Share
The calculations of basic and diluted earnings per common share for the years ended June 30, 2019, 2018 and 2017 were as follows:
Question:
What was the change in Weighted average number of common shares outstanding, basic in 2019 from 2018?
Answer: 47.7-47.2 = 0.5