82.16% is the change from 426 to 776
Calculation steps:
[( 776 - 426 ) ÷ 426] x 100 = 82.16%
Formula
Percentage change = [(776 - 426) / 426] x 100
Subtract the new number by the original number
776 - 426 = 350
350 ÷ 426 = 0.8215962441314554
0.8215962441314554 x 100 = 82.16%