3.17% is the change from 378 to 390
Calculation steps:
[( 390 - 378 ) ÷ 378] x 100 = 3.17%
Formula
Percentage change = [(390 - 378) / 378] x 100
Subtract the new number by the original number
390 - 378 = 12
12 ÷ 378 = 0.031746031746031744
0.031746031746031744 x 100 = 3.17%