-30.11% is the change from 558 to 390
Calculation steps:
[( 390 - 558 ) ÷ 558] x 100 = -30.11%
Formula
Percentage change = [(390 - 558) / 558] x 100
Subtract the new number by the original number
390 - 558 = -168
-168 ÷ 558 = -0.3010752688172043
-0.3010752688172043 x 100 = -30.11%