The table below show the pounds of candy a company sold in the months leading up to October.
| Month | Pounds of Candy Sold |
| June | 185 |
| July | 168 |
| August | 200 |
| September | 106 |
| 659 |
In October they sold 7 times as many pounds of candy as they did in the previous 4 months combined. How many fewer pounds of candy did they sell in the previous 4 months compared to in October?