-83.56% is the change from 809 to 133
Calculation steps:
[( 133 - 809 ) ÷ 809] x 100 = -83.56%
Formula
Percentage change = [(133 - 809) / 809] x 100
Subtract the new number by the original number
133 - 809 = -676
-676 ÷ 809 = -0.8355995055624228
-0.8355995055624228 x 100 = -83.56%