9.79% is the change from 388 to 426
Calculation steps:
[( 426 - 388 ) ÷ 388] x 100 = 9.79%
Formula
Percentage change = [(426 - 388) / 388] x 100
Subtract the new number by the original number
426 - 388 = 38
38 ÷ 388 = 0.0979381443298969
0.0979381443298969 x 100 = 9.79%