-28.97% is the change from 818 to 581
Calculation steps:
[( 581 - 818 ) ÷ 818] x 100 = -28.97%
Formula
Percentage change = [(581 - 818) / 818] x 100
Subtract the new number by the original number
581 - 818 = -237
-237 ÷ 818 = -0.28973105134474325
-0.28973105134474325 x 100 = -28.97%