39.44% is the change from 322 to 449
Calculation steps:
[( 449 - 322 ) ÷ 322] x 100 = 39.44%
Formula
Percentage change = [(449 - 322) / 322] x 100
Subtract the new number by the original number
449 - 322 = 127
127 ÷ 322 = 0.3944099378881988
0.3944099378881988 x 100 = 39.44%