-37.76% is the change from 723 to 450
Calculation steps:
[( 450 - 723 ) ÷ 723] x 100 = -37.76%
Formula
Percentage change = [(450 - 723) / 723] x 100
Subtract the new number by the original number
450 - 723 = -273
-273 ÷ 723 = -0.3775933609958506
-0.3775933609958506 x 100 = -37.76%