15.79% is the change from 399 to 462
Calculation steps:
[( 462 - 399 ) ÷ 399] x 100 = 15.79%
Formula
Percentage change = [(462 - 399) / 399] x 100
Subtract the new number by the original number
462 - 399 = 63
63 ÷ 399 = 0.15789473684210525
0.15789473684210525 x 100 = 15.79%