-39.39% is the change from 132 to 80
Calculation steps:
[( 80 - 132 ) ÷ 132] x 100 = -39.39%
Formula
Percentage change = [(80 - 132) / 132] x 100
Subtract the new number by the original number
80 - 132 = -52
-52 ÷ 132 = -0.3939393939393939
-0.3939393939393939 x 100 = -39.39%