1.78% is the change from 449 to 457
Calculation steps:
[( 457 - 449 ) ÷ 449] x 100 = 1.78%
Formula
Percentage change = [(457 - 449) / 449] x 100
Subtract the new number by the original number
457 - 449 = 8
8 ÷ 449 = 0.017817371937639197
0.017817371937639197 x 100 = 1.78%