17.54% is the change from 399 to 469
Calculation steps:
[( 469 - 399 ) ÷ 399] x 100 = 17.54%
Formula
Percentage change = [(469 - 399) / 399] x 100
Subtract the new number by the original number
469 - 399 = 70
70 ÷ 399 = 0.17543859649122806
0.17543859649122806 x 100 = 17.54%