The table below show the customers an arcade had leading up to the weekend.
Day | Customers |
Tuesday | 163 |
Wednesday | 198 |
Thursday | 181 |
Friday | 156 |
| 698 |
Over the weekend they had 9 times as many customers as they did before in the previous 4 days. How many more customers did they have over the weekend than they had in the previous 4 days?