91.54% is the change from 390 to 747
Calculation steps:
[( 747 - 390 ) ÷ 390] x 100 = 91.54%
Formula
Percentage change = [(747 - 390) / 390] x 100
Subtract the new number by the original number
747 - 390 = 357
357 ÷ 390 = 0.9153846153846154
0.9153846153846154 x 100 = 91.54%