Table:
|  | 2019 | 2018 |
| --- | --- | --- |
| Profit attributable to equity shareholders (£m) | 166.6 | 223.1 |
| Weighted average shares (million) | 73.7 | 73.6 |
| Dilution (million) | 0.2 | 0.2 |
| Diluted weighted average shares (million) | 73.9 | 73.8 |
| Basic earnings per share | 226.2p | 303.1p |
| Diluted earnings per share | 225.5p | 302.0p |
Paragraphs:
10 Earnings per share
Basic and diluted earnings per share calculated on an adjusted profit basis are included in Note 2.
The dilution is in respect of unexercised share options and the Performance Share Plan.
Question:
What was the change in the profit attributable to equity shareholders from 2018 to 2019?
Answer: 166.6-223.1 = -56.5