-45.16% is the change from 558 to 306
Calculation steps:
[( 306 - 558 ) ÷ 558] x 100 = -45.16%
Formula
Percentage change = [(306 - 558) / 558] x 100
Subtract the new number by the original number
306 - 558 = -252
-252 ÷ 558 = -0.45161290322580644
-0.45161290322580644 x 100 = -45.16%