-85.69% is the change from 538 to 77
Calculation steps:
[( 77 - 538 ) ÷ 538] x 100 = -85.69%
Formula
Percentage change = [(77 - 538) / 538] x 100
Subtract the new number by the original number
77 - 538 = -461
-461 ÷ 538 = -0.8568773234200744
-0.8568773234200744 x 100 = -85.69%