9.92% is the change from 383 to 421
Calculation steps:
[( 421 - 383 ) ÷ 383] x 100 = 9.92%
Formula
Percentage change = [(421 - 383) / 383] x 100
Subtract the new number by the original number
421 - 383 = 38
38 ÷ 383 = 0.09921671018276762
0.09921671018276762 x 100 = 9.92%