-24.72% is the change from 809 to 609
Calculation steps:
[( 609 - 809 ) ÷ 809] x 100 = -24.72%
Formula
Percentage change = [(609 - 809) / 809] x 100
Subtract the new number by the original number
609 - 809 = -200
-200 ÷ 809 = -0.24721878862793573
-0.24721878862793573 x 100 = -24.72%