-79.72% is the change from 143 to 29
Calculation steps:
[( 29 - 143 ) ÷ 143] x 100 = -79.72%
Formula
Percentage change = [(29 - 143) / 143] x 100
Subtract the new number by the original number
29 - 143 = -114
-114 ÷ 143 = -0.7972027972027972
-0.7972027972027972 x 100 = -79.72%