-97.22% is the change from 180 to 5
Calculation steps:
[( 5 - 180 ) ÷ 180] x 100 = -97.22%
Formula
Percentage change = [(5 - 180) / 180] x 100
Subtract the new number by the original number
5 - 180 = -175
-175 ÷ 180 = -0.9722222222222222
-0.9722222222222222 x 100 = -97.22%