74.1% is the change from 390 to 679
Calculation steps:
[( 679 - 390 ) ÷ 390] x 100 = 74.1%
Formula
Percentage change = [(679 - 390) / 390] x 100
Subtract the new number by the original number
679 - 390 = 289
289 ÷ 390 = 0.7410256410256411
0.7410256410256411 x 100 = 74.1%