774.68% is the change from 79 to 691
Calculation steps:
[( 691 - 79 ) ÷ 79] x 100 = 774.68%
Formula
Percentage change = [(691 - 79) / 79] x 100
Subtract the new number by the original number
691 - 79 = 612
612 ÷ 79 = 7.746835443037975
7.746835443037975 x 100 = 774.68%