679.12% is the change from 91 to 709
Calculation steps:
[( 709 - 91 ) ÷ 91] x 100 = 679.12%
Formula
Percentage change = [(709 - 91) / 91] x 100
Subtract the new number by the original number
709 - 91 = 618
618 ÷ 91 = 6.791208791208791
6.791208791208791 x 100 = 679.12%