17.49% is the change from 383 to 450
Calculation steps:
[( 450 - 383 ) ÷ 383] x 100 = 17.49%
Formula
Percentage change = [(450 - 383) / 383] x 100
Subtract the new number by the original number
450 - 383 = 67
67 ÷ 383 = 0.17493472584856398
0.17493472584856398 x 100 = 17.49%