-3.79% is the change from 580 to 558
Calculation steps:
[( 558 - 580 ) ÷ 580] x 100 = -3.79%
Formula
Percentage change = [(558 - 580) / 580] x 100
Subtract the new number by the original number
558 - 580 = -22
-22 ÷ 580 = -0.03793103448275862
-0.03793103448275862 x 100 = -3.79%