17.5% is the change from 680 to 799
Calculation steps:
[( 799 - 680 ) ÷ 680] x 100 = 17.5%
Formula
Percentage change = [(799 - 680) / 680] x 100
Subtract the new number by the original number
799 - 680 = 119
119 ÷ 680 = 0.175
0.175 x 100 = 17.5%
Example