19.12% is the change from 319 to 380
Calculation steps:
[( 380 - 319 ) ÷ 319] x 100 = 19.12%
Formula
Percentage change = [(380 - 319) / 319] x 100
Subtract the new number by the original number
380 - 319 = 61
61 ÷ 319 = 0.19122257053291536
0.19122257053291536 x 100 = 19.12%