38.53% is the change from 449 to 622
Calculation steps:
[( 622 - 449 ) ÷ 449] x 100 = 38.53%
Formula
Percentage change = [(622 - 449) / 449] x 100
Subtract the new number by the original number
622 - 449 = 173
173 ÷ 449 = 0.38530066815144765
0.38530066815144765 x 100 = 38.53%