80.28% is the change from 426 to 768
Calculation steps:
[( 768 - 426 ) ÷ 426] x 100 = 80.28%
Formula
Percentage change = [(768 - 426) / 426] x 100
Subtract the new number by the original number
768 - 426 = 342
342 ÷ 426 = 0.8028169014084507
0.8028169014084507 x 100 = 80.28%