49.17% is the change from 301 to 449
Calculation steps:
[( 449 - 301 ) ÷ 301] x 100 = 49.17%
Formula
Percentage change = [(449 - 301) / 301] x 100
Subtract the new number by the original number
449 - 301 = 148
148 ÷ 301 = 0.49169435215946844
0.49169435215946844 x 100 = 49.17%