-56.72% is the change from 818 to 354
Calculation steps:
[( 354 - 818 ) ÷ 818] x 100 = -56.72%
Formula
Percentage change = [(354 - 818) / 818] x 100
Subtract the new number by the original number
354 - 818 = -464
-464 ÷ 818 = -0.5672371638141809
-0.5672371638141809 x 100 = -56.72%