-90.14% is the change from 558 to 55
Calculation steps:
[( 55 - 558 ) ÷ 558] x 100 = -90.14%
Formula
Percentage change = [(55 - 558) / 558] x 100
Subtract the new number by the original number
55 - 558 = -503
-503 ÷ 558 = -0.9014336917562724
-0.9014336917562724 x 100 = -90.14%