23.29% is the change from 322 to 397
Calculation steps:
[( 397 - 322 ) ÷ 322] x 100 = 23.29%
Formula
Percentage change = [(397 - 322) / 322] x 100
Subtract the new number by the original number
397 - 322 = 75
75 ÷ 322 = 0.2329192546583851
0.2329192546583851 x 100 = 23.29%