31.06% is the change from 322 to 422
Calculation steps:
[( 422 - 322 ) ÷ 322] x 100 = 31.06%
Formula
Percentage change = [(422 - 322) / 322] x 100
Subtract the new number by the original number
422 - 322 = 100
100 ÷ 322 = 0.3105590062111801
0.3105590062111801 x 100 = 31.06%