-25.55% is the change from 818 to 609
Calculation steps:
[( 609 - 818 ) ÷ 818] x 100 = -25.55%
Formula
Percentage change = [(609 - 818) / 818] x 100
Subtract the new number by the original number
609 - 818 = -209
-209 ÷ 818 = -0.2555012224938875
-0.2555012224938875 x 100 = -25.55%