-72.22% is the change from 828 to 230
Calculation steps:
[( 230 - 828 ) ÷ 828] x 100 = -72.22%
Formula
Percentage change = [(230 - 828) / 828] x 100
Subtract the new number by the original number
230 - 828 = -598
-598 ÷ 828 = -0.7222222222222222
-0.7222222222222222 x 100 = -72.22%