-83.1% is the change from 142 to 24
Calculation steps:
[( 24 - 142 ) ÷ 142] x 100 = -83.1%
Formula
Percentage change = [(24 - 142) / 142] x 100
Subtract the new number by the original number
24 - 142 = -118
-118 ÷ 142 = -0.8309859154929577
-0.8309859154929577 x 100 = -83.1%