-29.95% is the change from 818 to 573
Calculation steps:
[( 573 - 818 ) ÷ 818] x 100 = -29.95%
Formula
Percentage change = [(573 - 818) / 818] x 100
Subtract the new number by the original number
573 - 818 = -245
-245 ÷ 818 = -0.2995110024449878
-0.2995110024449878 x 100 = -29.95%