3.51% is the change from 399 to 413
Calculation steps:
[( 413 - 399 ) ÷ 399] x 100 = 3.51%
Formula
Percentage change = [(413 - 399) / 399] x 100
Subtract the new number by the original number
413 - 399 = 14
14 ÷ 399 = 0.03508771929824561
0.03508771929824561 x 100 = 3.51%