-81.25% is the change from 720 to 135
Calculation steps:
[( 135 - 720 ) ÷ 720] x 100 = -81.25%
Formula
Percentage change = [(135 - 720) / 720] x 100
Subtract the new number by the original number
135 - 720 = -585
-585 ÷ 720 = -0.8125
-0.8125 x 100 = -81.25%