-88.8% is the change from 259 to 29
Calculation steps:
[( 29 - 259 ) ÷ 259] x 100 = -88.8%
Formula
Percentage change = [(29 - 259) / 259] x 100
Subtract the new number by the original number
29 - 259 = -230
-230 ÷ 259 = -0.888030888030888
-0.888030888030888 x 100 = -88.8%