-86.93% is the change from 589 to 77
Calculation steps:
[( 77 - 589 ) ÷ 589] x 100 = -86.93%
Formula
Percentage change = [(77 - 589) / 589] x 100
Subtract the new number by the original number
77 - 589 = -512
-512 ÷ 589 = -0.8692699490662139
-0.8692699490662139 x 100 = -86.93%