9.9% is the change from 384 to 422
Calculation steps:
[( 422 - 384 ) ÷ 384] x 100 = 9.9%
Formula
Percentage change = [(422 - 384) / 384] x 100
Subtract the new number by the original number
422 - 384 = 38
38 ÷ 384 = 0.09895833333333333
0.09895833333333333 x 100 = 9.9%