-90.32% is the change from 558 to 54
Calculation steps:
[( 54 - 558 ) ÷ 558] x 100 = -90.32%
Formula
Percentage change = [(54 - 558) / 558] x 100
Subtract the new number by the original number
54 - 558 = -504
-504 ÷ 558 = -0.9032258064516129
-0.9032258064516129 x 100 = -90.32%