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Earnings per share | 12 Months Ended
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Dec. 31, 2021
Earnings per share |
Earnings per share | 9 Earnings per share Earnings per share is a metric to measure how much profit NatWest Group makes for each share that is in issue during the year. Basic earnings per ordinary share is calculated by dividing the profit attributable to ordinary shareholders by the weighted average number of ordinary shares outstanding. Diluted earnings per ordinary share is calculated by dividing the basic earnings by the weighted average number of ordinary shares outstanding plus the weighted average number of ordinary shares that would be issued on conversion of dilutive share options and convertible securities. ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | 2021 |  | 2020 |  | 2019
​ | ​ | £m | ​ | £m | ​ | £m
Earnings |  |  |  |  |  |
Profit/(loss) from continuing operations attributable to ordinary shareholders |  | 2,674 |  | (874) |  | 2,877
Profit from discontinued operations attributable to ordinary shareholders |  | 276 |  | 121 |  | 256
Profit/(loss) attributable to ordinary shareholders |  | 2,950 |  | (753) |  | 3,133
Weighted average number of shares (millions) |  |  |  |  |  |
Weighted average number of ordinary shares outstanding during the year |  | 11,622 |  | 12,095 |  | 12,067
Effect of dilutive share options and convertible securities(1) |  | 45 |  | — |  | 35
Diluted weighted average number of ordinary shares outstanding during the year |  | 11,667 |  | 12,095 |  | 12,102
​
(1) | As there was a loss from continuing operations attributable to the parent company for the period to 31 December 2020, the effect of share options and convertible securities was not dilutive.

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