-53.89% is the change from 180 to 83
Calculation steps:
[( 83 - 180 ) ÷ 180] x 100 = -53.89%
Formula
Percentage change = [(83 - 180) / 180] x 100
Subtract the new number by the original number
83 - 180 = -97
-97 ÷ 180 = -0.5388888888888889
-0.5388888888888889 x 100 = -53.89%