-41.1% is the change from 146 to 86
Calculation steps:
[( 86 - 146 ) ÷ 146] x 100 = -41.1%
Formula
Percentage change = [(86 - 146) / 146] x 100
Subtract the new number by the original number
86 - 146 = -60
-60 ÷ 146 = -0.410958904109589
-0.410958904109589 x 100 = -41.1%