710% is the change from 90 to 729
Calculation steps:
[( 729 - 90 ) ÷ 90] x 100 = 710%
Formula
Percentage change = [(729 - 90) / 90] x 100
Subtract the new number by the original number
729 - 90 = 639
639 ÷ 90 = 7.1
7.1 x 100 = 710%
Example