39.49% is the change from 390 to 544
Calculation steps:
[( 544 - 390 ) ÷ 390] x 100 = 39.49%
Formula
Percentage change = [(544 - 390) / 390] x 100
Subtract the new number by the original number
544 - 390 = 154
154 ÷ 390 = 0.39487179487179486
0.39487179487179486 x 100 = 39.49%