-37.9% is the change from 723 to 449
Calculation steps:
[( 449 - 723 ) ÷ 723] x 100 = -37.9%
Formula
Percentage change = [(449 - 723) / 723] x 100
Subtract the new number by the original number
449 - 723 = -274
-274 ÷ 723 = -0.3789764868603043
-0.3789764868603043 x 100 = -37.9%