-30.65% is the change from 558 to 387
Calculation steps:
[( 387 - 558 ) ÷ 558] x 100 = -30.65%
Formula
Percentage change = [(387 - 558) / 558] x 100
Subtract the new number by the original number
387 - 558 = -171
-171 ÷ 558 = -0.3064516129032258
-0.3064516129032258 x 100 = -30.65%