1.03% is the change from 387 to 391
Calculation steps:
[( 391 - 387 ) ÷ 387] x 100 = 1.03%
Formula
Percentage change = [(391 - 387) / 387] x 100
Subtract the new number by the original number
391 - 387 = 4
4 ÷ 387 = 0.0103359173126615
0.0103359173126615 x 100 = 1.03%