8.27% is the change from 399 to 432
Calculation steps:
[( 432 - 399 ) ÷ 399] x 100 = 8.27%
Formula
Percentage change = [(432 - 399) / 399] x 100
Subtract the new number by the original number
432 - 399 = 33
33 ÷ 399 = 0.08270676691729323
0.08270676691729323 x 100 = 8.27%