22.79% is the change from 680 to 835
Calculation steps:
[( 835 - 680 ) ÷ 680] x 100 = 22.79%
Formula
Percentage change = [(835 - 680) / 680] x 100
Subtract the new number by the original number
835 - 680 = 155
155 ÷ 680 = 0.22794117647058823
0.22794117647058823 x 100 = 22.79%