The table below show the customers an arcade had leading up to the weekend.
Day | Customers |
Tuesday | 113 |
Wednesday | 126 |
Thursday | 167 |
Friday | 131 |
| 537 |
Over the weekend they had 7 times as many customers as they did before in the previous 4 days. How many fewer customers they have in the previous 4 days than they had over the weekend?