-87.39% is the change from 230 to 29
Calculation steps:
[( 29 - 230 ) ÷ 230] x 100 = -87.39%
Formula
Percentage change = [(29 - 230) / 230] x 100
Subtract the new number by the original number
29 - 230 = -201
-201 ÷ 230 = -0.8739130434782608
-0.8739130434782608 x 100 = -87.39%