-84.58% is the change from 577 to 89
Calculation steps:
[( 89 - 577 ) ÷ 577] x 100 = -84.58%
Formula
Percentage change = [(89 - 577) / 577] x 100
Subtract the new number by the original number
89 - 577 = -488
-488 ÷ 577 = -0.8457538994800693
-0.8457538994800693 x 100 = -84.58%