-83.68% is the change from 809 to 132
Calculation steps:
[( 132 - 809 ) ÷ 809] x 100 = -83.68%
Formula
Percentage change = [(132 - 809) / 809] x 100
Subtract the new number by the original number
132 - 809 = -677
-677 ÷ 809 = -0.8368355995055624
-0.8368355995055624 x 100 = -83.68%