The table below show the pounds of candy a company sold in the months leading up to October.
Month | Pounds of Candy Sold |
June | 146 |
July | 143 |
August | 147 |
September | 141 |
| 577 |
In October they sold 9 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?