4.19% is the change from 406 to 423
Calculation steps:
[( 423 - 406 ) ÷ 406] x 100 = 4.19%
Formula
Percentage change = [(423 - 406) / 406] x 100
Subtract the new number by the original number
423 - 406 = 17
17 ÷ 406 = 0.04187192118226601
0.04187192118226601 x 100 = 4.19%