-88.19% is the change from 720 to 85
Calculation steps:
[( 85 - 720 ) ÷ 720] x 100 = -88.19%
Formula
Percentage change = [(85 - 720) / 720] x 100
Subtract the new number by the original number
85 - 720 = -635
-635 ÷ 720 = -0.8819444444444444
-0.8819444444444444 x 100 = -88.19%