-88.69% is the change from 504 to 57
Calculation steps:
[( 57 - 504 ) ÷ 504] x 100 = -88.69%
Formula
Percentage change = [(57 - 504) / 504] x 100
Subtract the new number by the original number
57 - 504 = -447
-447 ÷ 504 = -0.8869047619047619
-0.8869047619047619 x 100 = -88.69%