-85.21% is the change from 656 to 97
Calculation steps:
[( 97 - 656 ) ÷ 656] x 100 = -85.21%
Formula
Percentage change = [(97 - 656) / 656] x 100
Subtract the new number by the original number
97 - 656 = -559
-559 ÷ 656 = -0.8521341463414634
-0.8521341463414634 x 100 = -85.21%