38.34% is the change from 326 to 451
Calculation steps:
[( 451 - 326 ) ÷ 326] x 100 = 38.34%
Formula
Percentage change = [(451 - 326) / 326] x 100
Subtract the new number by the original number
451 - 326 = 125
125 ÷ 326 = 0.3834355828220859
0.3834355828220859 x 100 = 38.34%