-31.78% is the change from 818 to 558
Calculation steps:
[( 558 - 818 ) ÷ 818] x 100 = -31.78%
Formula
Percentage change = [(558 - 818) / 818] x 100
Subtract the new number by the original number
558 - 818 = -260
-260 ÷ 818 = -0.31784841075794623
-0.31784841075794623 x 100 = -31.78%