30.72% is the change from 319 to 417
Calculation steps:
[( 417 - 319 ) ÷ 319] x 100 = 30.72%
Formula
Percentage change = [(417 - 319) / 319] x 100
Subtract the new number by the original number
417 - 319 = 98
98 ÷ 319 = 0.3072100313479624
0.3072100313479624 x 100 = 30.72%