22.05% is the change from 449 to 548
Calculation steps:
[( 548 - 449 ) ÷ 449] x 100 = 22.05%
Formula
Percentage change = [(548 - 449) / 449] x 100
Subtract the new number by the original number
548 - 449 = 99
99 ÷ 449 = 0.22048997772828507
0.22048997772828507 x 100 = 22.05%