52.34% is the change from 449 to 684
Calculation steps:
[( 684 - 449 ) ÷ 449] x 100 = 52.34%
Formula
Percentage change = [(684 - 449) / 449] x 100
Subtract the new number by the original number
684 - 449 = 235
235 ÷ 449 = 0.5233853006681515
0.5233853006681515 x 100 = 52.34%