2.22% is the change from 406 to 415
Calculation steps:
[( 415 - 406 ) ÷ 406] x 100 = 2.22%
Formula
Percentage change = [(415 - 406) / 406] x 100
Subtract the new number by the original number
415 - 406 = 9
9 ÷ 406 = 0.022167487684729065
0.022167487684729065 x 100 = 2.22%