6.27% is the change from 319 to 339
Calculation steps:
[( 339 - 319 ) ÷ 319] x 100 = 6.27%
Formula
Percentage change = [(339 - 319) / 319] x 100
Subtract the new number by the original number
339 - 319 = 20
20 ÷ 319 = 0.06269592476489028
0.06269592476489028 x 100 = 6.27%