An organisation carried out two health surveys of its employees several years apart.
| Survey | Number of employees | Percentage reporting regular exercise |
|---|---|---|
| Earlier | 18 400 | 35 |
| Later | 21 250 | 28 |
Calculate the percentage change in the number of employees reporting regular exercise from the earlier survey to the later survey.
Give your answer to one decimal place and state whether this was an increase or a decrease.
102 exam-style questions on Edexcel GCSE Biology 5.4 Non-communicable diseases, covering 5.4.1 Interaction of factors in non-communicable disease, 5.4.2 Lifestyle factors and non-communicable disease, and 5.4.3 Treatments for cardiovascular disease. Each one has a worked solution and a mark scheme showing where the marks go.