771.25% is the change from 80 to 697
Calculation steps:
[( 697 - 80 ) ÷ 80] x 100 = 771.25%
Formula
Percentage change = [(697 - 80) / 80] x 100
Subtract the new number by the original number
697 - 80 = 617
617 ÷ 80 = 7.7125
7.7125 x 100 = 771.25%
Example