-24.44% is the change from 180 to 136
Calculation steps:
[( 136 - 180 ) ÷ 180] x 100 = -24.44%
Formula
Percentage change = [(136 - 180) / 180] x 100
Subtract the new number by the original number
136 - 180 = -44
-44 ÷ 180 = -0.24444444444444444
-0.24444444444444444 x 100 = -24.44%