-74.45% is the change from 818 to 209
Calculation steps:
[( 209 - 818 ) ÷ 818] x 100 = -74.45%
Formula
Percentage change = [(209 - 818) / 818] x 100
Subtract the new number by the original number
209 - 818 = -609
-609 ÷ 818 = -0.7444987775061125
-0.7444987775061125 x 100 = -74.45%