34.52% is the change from 449 to 604
Calculation steps:
[( 604 - 449 ) ÷ 449] x 100 = 34.52%
Formula
Percentage change = [(604 - 449) / 449] x 100
Subtract the new number by the original number
604 - 449 = 155
155 ÷ 449 = 0.34521158129175944
0.34521158129175944 x 100 = 34.52%