31.89% is the change from 323 to 426
Calculation steps:
[( 426 - 323 ) ÷ 323] x 100 = 31.89%
Formula
Percentage change = [(426 - 323) / 323] x 100
Subtract the new number by the original number
426 - 323 = 103
103 ÷ 323 = 0.3188854489164087
0.3188854489164087 x 100 = 31.89%