-85.06% is the change from 656 to 98
Calculation steps:
[( 98 - 656 ) ÷ 656] x 100 = -85.06%
Formula
Percentage change = [(98 - 656) / 656] x 100
Subtract the new number by the original number
98 - 656 = -558
-558 ÷ 656 = -0.850609756097561
-0.850609756097561 x 100 = -85.06%