-70.83% is the change from 809 to 236
Calculation steps:
[( 236 - 809 ) ÷ 809] x 100 = -70.83%
Formula
Percentage change = [(236 - 809) / 809] x 100
Subtract the new number by the original number
236 - 809 = -573
-573 ÷ 809 = -0.7082818294190358
-0.7082818294190358 x 100 = -70.83%