-86.83% is the change from 577 to 76
Calculation steps:
[( 76 - 577 ) ÷ 577] x 100 = -86.83%
Formula
Percentage change = [(76 - 577) / 577] x 100
Subtract the new number by the original number
76 - 577 = -501
-501 ÷ 577 = -0.8682842287694974
-0.8682842287694974 x 100 = -86.83%