9.56% is the change from 387 to 424
Calculation steps:
[( 424 - 387 ) ÷ 387] x 100 = 9.56%
Formula
Percentage change = [(424 - 387) / 387] x 100
Subtract the new number by the original number
424 - 387 = 37
37 ÷ 387 = 0.09560723514211886
0.09560723514211886 x 100 = 9.56%