13.32% is the change from 383 to 434
Calculation steps:
[( 434 - 383 ) ÷ 383] x 100 = 13.32%
Formula
Percentage change = [(434 - 383) / 383] x 100
Subtract the new number by the original number
434 - 383 = 51
51 ÷ 383 = 0.13315926892950392
0.13315926892950392 x 100 = 13.32%