-52.49% is the change from 181 to 86
Calculation steps:
[( 86 - 181 ) ÷ 181] x 100 = -52.49%
Formula
Percentage change = [(86 - 181) / 181] x 100
Subtract the new number by the original number
86 - 181 = -95
-95 ÷ 181 = -0.5248618784530387
-0.5248618784530387 x 100 = -52.49%