7.79% is the change from 321 to 346
Calculation steps:
[( 346 - 321 ) ÷ 321] x 100 = 7.79%
Formula
Percentage change = [(346 - 321) / 321] x 100
Subtract the new number by the original number
346 - 321 = 25
25 ÷ 321 = 0.0778816199376947
0.0778816199376947 x 100 = 7.79%