23.61% is the change from 449 to 555
Calculation steps:
[( 555 - 449 ) ÷ 449] x 100 = 23.61%
Formula
Percentage change = [(555 - 449) / 449] x 100
Subtract the new number by the original number
555 - 449 = 106
106 ÷ 449 = 0.23608017817371937
0.23608017817371937 x 100 = 23.61%