2.2% is the change from 409 to 418
Calculation steps:
[( 418 - 409 ) ÷ 409] x 100 = 2.2%
Formula
Percentage change = [(418 - 409) / 409] x 100
Subtract the new number by the original number
418 - 409 = 9
9 ÷ 409 = 0.022004889975550123
0.022004889975550123 x 100 = 2.2%