-44.87% is the change from 156 to 86
Calculation steps:
[( 86 - 156 ) ÷ 156] x 100 = -44.87%
Formula
Percentage change = [(86 - 156) / 156] x 100
Subtract the new number by the original number
86 - 156 = -70
-70 ÷ 156 = -0.44871794871794873
-0.44871794871794873 x 100 = -44.87%