-84.95% is the change from 558 to 84
Calculation steps:
[( 84 - 558 ) ÷ 558] x 100 = -84.95%
Formula
Percentage change = [(84 - 558) / 558] x 100
Subtract the new number by the original number
84 - 558 = -474
-474 ÷ 558 = -0.8494623655913979
-0.8494623655913979 x 100 = -84.95%