-72.85% is the change from 501 to 136
Calculation steps:
[( 136 - 501 ) ÷ 501] x 100 = -72.85%
Formula
Percentage change = [(136 - 501) / 501] x 100
Subtract the new number by the original number
136 - 501 = -365
-365 ÷ 501 = -0.7285429141716567
-0.7285429141716567 x 100 = -72.85%