680.22% is the change from 91 to 710
Calculation steps:
[( 710 - 91 ) ÷ 91] x 100 = 680.22%
Formula
Percentage change = [(710 - 91) / 91] x 100
Subtract the new number by the original number
710 - 91 = 619
619 ÷ 91 = 6.802197802197802
6.802197802197802 x 100 = 680.22%