-28.32% is the change from 113 to 81
Calculation steps:
[( 81 - 113 ) ÷ 113] x 100 = -28.32%
Formula
Percentage change = [(81 - 113) / 113] x 100
Subtract the new number by the original number
81 - 113 = -32
-32 ÷ 113 = -0.2831858407079646
-0.2831858407079646 x 100 = -28.32%