-40.41% is the change from 146 to 87
Calculation steps:
[( 87 - 146 ) ÷ 146] x 100 = -40.41%
Formula
Percentage change = [(87 - 146) / 146] x 100
Subtract the new number by the original number
87 - 146 = -59
-59 ÷ 146 = -0.4041095890410959
-0.4041095890410959 x 100 = -40.41%