-79.29% is the change from 140 to 29
Calculation steps:
[( 29 - 140 ) ÷ 140] x 100 = -79.29%
Formula
Percentage change = [(29 - 140) / 140] x 100
Subtract the new number by the original number
29 - 140 = -111
-111 ÷ 140 = -0.7928571428571428
-0.7928571428571428 x 100 = -79.29%