-49.82% is the change from 558 to 280
Calculation steps:
[( 280 - 558 ) ÷ 558] x 100 = -49.82%
Formula
Percentage change = [(280 - 558) / 558] x 100
Subtract the new number by the original number
280 - 558 = -278
-278 ÷ 558 = -0.4982078853046595
-0.4982078853046595 x 100 = -49.82%