-93.33% is the change from 180 to 12
Calculation steps:
[( 12 - 180 ) ÷ 180] x 100 = -93.33%
Formula
Percentage change = [(12 - 180) / 180] x 100
Subtract the new number by the original number
12 - 180 = -168
-168 ÷ 180 = -0.9333333333333333
-0.9333333333333333 x 100 = -93.33%