20.55% is the change from 326 to 393
Calculation steps:
[( 393 - 326 ) ÷ 326] x 100 = 20.55%
Formula
Percentage change = [(393 - 326) / 326] x 100
Subtract the new number by the original number
393 - 326 = 67
67 ÷ 326 = 0.20552147239263804
0.20552147239263804 x 100 = 20.55%