690% is the change from 100 to 790
Calculation steps:
[( 790 - 100 ) ÷ 100] x 100 = 690%
Formula
Percentage change = [(790 - 100) / 100] x 100
Subtract the new number by the original number
790 - 100 = 690
690 ÷ 100 = 6.9
6.9 x 100 = 690%
Example