-99.31% is the change from 577 to 4
Calculation steps:
[( 4 - 577 ) ÷ 577] x 100 = -99.31%
Formula
Percentage change = [(4 - 577) / 577] x 100
Subtract the new number by the original number
4 - 577 = -573
-573 ÷ 577 = -0.9930675909878682
-0.9930675909878682 x 100 = -99.31%