-87.5% is the change from 232 to 29
Calculation steps:
[( 29 - 232 ) ÷ 232] x 100 = -87.5%
Formula
Percentage change = [(29 - 232) / 232] x 100
Subtract the new number by the original number
29 - 232 = -203
-203 ÷ 232 = -0.875
-0.875 x 100 = -87.5%
Example