29.91% is the change from 321 to 417
Calculation steps:
[( 417 - 321 ) ÷ 321] x 100 = 29.91%
Formula
Percentage change = [(417 - 321) / 321] x 100
Subtract the new number by the original number
417 - 321 = 96
96 ÷ 321 = 0.29906542056074764
0.29906542056074764 x 100 = 29.91%