-42.55% is the change from 141 to 81
Calculation steps:
[( 81 - 141 ) ÷ 141] x 100 = -42.55%
Formula
Percentage change = [(81 - 141) / 141] x 100
Subtract the new number by the original number
81 - 141 = -60
-60 ÷ 141 = -0.425531914893617
-0.425531914893617 x 100 = -42.55%