-27.81% is the change from 809 to 584
Calculation steps:
[( 584 - 809 ) ÷ 809] x 100 = -27.81%
Formula
Percentage change = [(584 - 809) / 809] x 100
Subtract the new number by the original number
584 - 809 = -225
-225 ÷ 809 = -0.27812113720642767
-0.27812113720642767 x 100 = -27.81%