97.68% is the change from 388 to 767
Calculation steps:
[( 767 - 388 ) ÷ 388] x 100 = 97.68%
Formula
Percentage change = [(767 - 388) / 388] x 100
Subtract the new number by the original number
767 - 388 = 379
379 ÷ 388 = 0.9768041237113402
0.9768041237113402 x 100 = 97.68%