96.42% is the change from 391 to 768
Calculation steps:
[( 768 - 391 ) ÷ 391] x 100 = 96.42%
Formula
Percentage change = [(768 - 391) / 391] x 100
Subtract the new number by the original number
768 - 391 = 377
377 ÷ 391 = 0.9641943734015346
0.9641943734015346 x 100 = 96.42%