748.75% is the change from 80 to 679
Calculation steps:
[( 679 - 80 ) ÷ 80] x 100 = 748.75%
Formula
Percentage change = [(679 - 80) / 80] x 100
Subtract the new number by the original number
679 - 80 = 599
599 ÷ 80 = 7.4875
7.4875 x 100 = 748.75%
Example