-5.38% is the change from 558 to 528
Calculation steps:
[( 528 - 558 ) ÷ 558] x 100 = -5.38%
Formula
Percentage change = [(528 - 558) / 558] x 100
Subtract the new number by the original number
528 - 558 = -30
-30 ÷ 558 = -0.053763440860215055
-0.053763440860215055 x 100 = -5.38%