-83.02% is the change from 577 to 98
Calculation steps:
[( 98 - 577 ) ÷ 577] x 100 = -83.02%
Formula
Percentage change = [(98 - 577) / 577] x 100
Subtract the new number by the original number
98 - 577 = -479
-479 ÷ 577 = -0.830155979202773
-0.830155979202773 x 100 = -83.02%