Table:
|  | 2019 | 2018 |
| --- | --- | --- |
|  | £m | £m |
| Wages and salaries | 345.6 | 325.9 |
| Social security costs | 71.6 | 58.7 |
| Pension costs | 21.5 | 19.3 |
| Total payroll costs | 438.7 | 403.9 |
Paragraphs:
5 Staff costs and numbers
The aggregate payroll costs of persons employed by the Group were as follows:
Question:
What was the change in social security costs in 2019 from 2018?
Answer: 71.6-58.7 = 12.9