-89.75% is the change from 283 to 29
Calculation steps:
[( 29 - 283 ) ÷ 283] x 100 = -89.75%
Formula
Percentage change = [(29 - 283) / 283] x 100
Subtract the new number by the original number
29 - 283 = -254
-254 ÷ 283 = -0.8975265017667845
-0.8975265017667845 x 100 = -89.75%