8.52% is the change from 399 to 433
Calculation steps:
[( 433 - 399 ) ÷ 399] x 100 = 8.52%
Formula
Percentage change = [(433 - 399) / 399] x 100
Subtract the new number by the original number
433 - 399 = 34
34 ÷ 399 = 0.08521303258145363
0.08521303258145363 x 100 = 8.52%