-88.62% is the change from 501 to 57
Calculation steps:
[( 57 - 501 ) ÷ 501] x 100 = -88.62%
Formula
Percentage change = [(57 - 501) / 501] x 100
Subtract the new number by the original number
57 - 501 = -444
-444 ÷ 501 = -0.8862275449101796
-0.8862275449101796 x 100 = -88.62%