-70.95% is the change from 809 to 235
Calculation steps:
[( 235 - 809 ) ÷ 809] x 100 = -70.95%
Formula
Percentage change = [(235 - 809) / 809] x 100
Subtract the new number by the original number
235 - 809 = -574
-574 ÷ 809 = -0.7095179233621756
-0.7095179233621756 x 100 = -70.95%