764.95% is the change from 97 to 839
Calculation steps:
[( 839 - 97 ) ÷ 97] x 100 = 764.95%
Formula
Percentage change = [(839 - 97) / 97] x 100
Subtract the new number by the original number
839 - 97 = 742
742 ÷ 97 = 7.649484536082475
7.649484536082475 x 100 = 764.95%