-79.58% is the change from 142 to 29
Calculation steps:
[( 29 - 142 ) ÷ 142] x 100 = -79.58%
Formula
Percentage change = [(29 - 142) / 142] x 100
Subtract the new number by the original number
29 - 142 = -113
-113 ÷ 142 = -0.795774647887324
-0.795774647887324 x 100 = -79.58%