-55.8% is the change from 181 to 80
Calculation steps:
[( 80 - 181 ) ÷ 181] x 100 = -55.8%
Formula
Percentage change = [(80 - 181) / 181] x 100
Subtract the new number by the original number
80 - 181 = -101
-101 ÷ 181 = -0.5580110497237569
-0.5580110497237569 x 100 = -55.8%