79.76% is the change from 425 to 764
Calculation steps:
[( 764 - 425 ) ÷ 425] x 100 = 79.76%
Formula
Percentage change = [(764 - 425) / 425] x 100
Subtract the new number by the original number
764 - 425 = 339
339 ÷ 425 = 0.7976470588235294
0.7976470588235294 x 100 = 79.76%