-72.79% is the change from 838 to 228
Calculation steps:
[( 228 - 838 ) ÷ 838] x 100 = -72.79%
Formula
Percentage change = [(228 - 838) / 838] x 100
Subtract the new number by the original number
228 - 838 = -610
-610 ÷ 838 = -0.7279236276849642
-0.7279236276849642 x 100 = -72.79%