0.22% is the change from 449 to 450
Calculation steps:
[( 450 - 449 ) ÷ 449] x 100 = 0.22%
Formula
Percentage change = [(450 - 449) / 449] x 100
Subtract the new number by the original number
450 - 449 = 1
1 ÷ 449 = 0.0022271714922048997
0.0022271714922048997 x 100 = 0.22%