31.37% is the change from 322 to 423
Calculation steps:
[( 423 - 322 ) ÷ 322] x 100 = 31.37%
Formula
Percentage change = [(423 - 322) / 322] x 100
Subtract the new number by the original number
423 - 322 = 101
101 ÷ 322 = 0.3136645962732919
0.3136645962732919 x 100 = 31.37%