34.8% is the change from 319 to 430
Calculation steps:
[( 430 - 319 ) ÷ 319] x 100 = 34.8%
Formula
Percentage change = [(430 - 319) / 319] x 100
Subtract the new number by the original number
430 - 319 = 111
111 ÷ 319 = 0.34796238244514105
0.34796238244514105 x 100 = 34.8%