22.72% is the change from 449 to 551
Calculation steps:
[( 551 - 449 ) ÷ 449] x 100 = 22.72%
Formula
Percentage change = [(551 - 449) / 449] x 100
Subtract the new number by the original number
551 - 449 = 102
102 ÷ 449 = 0.22717149220489977
0.22717149220489977 x 100 = 22.72%