28.97% is the change from 321 to 414
Calculation steps:
[( 414 - 321 ) ÷ 321] x 100 = 28.97%
Formula
Percentage change = [(414 - 321) / 321] x 100
Subtract the new number by the original number
414 - 321 = 93
93 ÷ 321 = 0.2897196261682243
0.2897196261682243 x 100 = 28.97%