4.91% is the change from 387 to 406
Calculation steps:
[( 406 - 387 ) ÷ 387] x 100 = 4.91%
Formula
Percentage change = [(406 - 387) / 387] x 100
Subtract the new number by the original number
406 - 387 = 19
19 ÷ 387 = 0.04909560723514212
0.04909560723514212 x 100 = 4.91%