2.27% is the change from 440 to 450
Calculation steps:
[( 450 - 440 ) ÷ 440] x 100 = 2.27%
Formula
Percentage change = [(450 - 440) / 440] x 100
Subtract the new number by the original number
450 - 440 = 10
10 ÷ 440 = 0.022727272727272728
0.022727272727272728 x 100 = 2.27%