-98.79% is the change from 659 to 8
Calculation steps:
[( 8 - 659 ) ÷ 659] x 100 = -98.79%
Formula
Percentage change = [(8 - 659) / 659] x 100
Subtract the new number by the original number
8 - 659 = -651
-651 ÷ 659 = -0.9878603945371776
-0.9878603945371776 x 100 = -98.79%