-23.72% is the change from 818 to 624
Calculation steps:
[( 624 - 818 ) ÷ 818] x 100 = -23.72%
Formula
Percentage change = [(624 - 818) / 818] x 100
Subtract the new number by the original number
624 - 818 = -194
-194 ÷ 818 = -0.2371638141809291
-0.2371638141809291 x 100 = -23.72%