-72.46% is the change from 828 to 228
Calculation steps:
[( 228 - 828 ) ÷ 828] x 100 = -72.46%
Formula
Percentage change = [(228 - 828) / 828] x 100
Subtract the new number by the original number
228 - 828 = -600
-600 ÷ 828 = -0.7246376811594203
-0.7246376811594203 x 100 = -72.46%