-24.73% is the change from 558 to 420
Calculation steps:
[( 420 - 558 ) ÷ 558] x 100 = -24.73%
Formula
Percentage change = [(420 - 558) / 558] x 100
Subtract the new number by the original number
420 - 558 = -138
-138 ÷ 558 = -0.24731182795698925
-0.24731182795698925 x 100 = -24.73%