-9.32% is the change from 558 to 506
Calculation steps:
[( 506 - 558 ) ÷ 558] x 100 = -9.32%
Formula
Percentage change = [(506 - 558) / 558] x 100
Subtract the new number by the original number
506 - 558 = -52
-52 ÷ 558 = -0.0931899641577061
-0.0931899641577061 x 100 = -9.32%