96.92% is the change from 390 to 768
Calculation steps:
[( 768 - 390 ) ÷ 390] x 100 = 96.92%
Formula
Percentage change = [(768 - 390) / 390] x 100
Subtract the new number by the original number
768 - 390 = 378
378 ÷ 390 = 0.9692307692307692
0.9692307692307692 x 100 = 96.92%