9.04% is the change from 387 to 422
Calculation steps:
[( 422 - 387 ) ÷ 387] x 100 = 9.04%
Formula
Percentage change = [(422 - 387) / 387] x 100
Subtract the new number by the original number
422 - 387 = 35
35 ÷ 387 = 0.09043927648578812
0.09043927648578812 x 100 = 9.04%