-68.68% is the change from 728 to 228
Calculation steps:
[( 228 - 728 ) ÷ 728] x 100 = -68.68%
Formula
Percentage change = [(228 - 728) / 728] x 100
Subtract the new number by the original number
228 - 728 = -500
-500 ÷ 728 = -0.6868131868131868
-0.6868131868131868 x 100 = -68.68%