20.06% is the change from 319 to 383
Calculation steps:
[( 383 - 319 ) ÷ 319] x 100 = 20.06%
Formula
Percentage change = [(383 - 319) / 319] x 100
Subtract the new number by the original number
383 - 319 = 64
64 ÷ 319 = 0.2006269592476489
0.2006269592476489 x 100 = 20.06%