3.34% is the change from 449 to 464
Calculation steps:
[( 464 - 449 ) ÷ 449] x 100 = 3.34%
Formula
Percentage change = [(464 - 449) / 449] x 100
Subtract the new number by the original number
464 - 449 = 15
15 ÷ 449 = 0.0334075723830735
0.0334075723830735 x 100 = 3.34%