38.75% is the change from 449 to 623
Calculation steps:
[( 623 - 449 ) ÷ 449] x 100 = 38.75%
Formula
Percentage change = [(623 - 449) / 449] x 100
Subtract the new number by the original number
623 - 449 = 174
174 ÷ 449 = 0.38752783964365256
0.38752783964365256 x 100 = 38.75%