-37.73% is the change from 721 to 449
Calculation steps:
[( 449 - 721 ) ÷ 721] x 100 = -37.73%
Formula
Percentage change = [(449 - 721) / 721] x 100
Subtract the new number by the original number
449 - 721 = -272
-272 ÷ 721 = -0.37725381414701803
-0.37725381414701803 x 100 = -37.73%