-38.19% is the change from 728 to 450
Calculation steps:
[( 450 - 728 ) ÷ 728] x 100 = -38.19%
Formula
Percentage change = [(450 - 728) / 728] x 100
Subtract the new number by the original number
450 - 728 = -278
-278 ÷ 728 = -0.38186813186813184
-0.38186813186813184 x 100 = -38.19%