The table below show the customers an arcade had leading up to the weekend.
| Day | Customers |
| Tuesday | 116 |
| Wednesday | 199 |
| Thursday | 175 |
| Friday | 190 |
| 680 |
Over the weekend they had 7 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?