79.34% is the change from 426 to 764
Calculation steps:
[( 764 - 426 ) ÷ 426] x 100 = 79.34%
Formula
Percentage change = [(764 - 426) / 426] x 100
Subtract the new number by the original number
764 - 426 = 338
338 ÷ 426 = 0.7934272300469484
0.7934272300469484 x 100 = 79.34%