-25.09% is the change from 809 to 606
Calculation steps:
[( 606 - 809 ) ÷ 809] x 100 = -25.09%
Formula
Percentage change = [(606 - 809) / 809] x 100
Subtract the new number by the original number
606 - 809 = -203
-203 ÷ 809 = -0.25092707045735474
-0.25092707045735474 x 100 = -25.09%