22.65% is the change from 680 to 834
Calculation steps:
[( 834 - 680 ) ÷ 680] x 100 = 22.65%
Formula
Percentage change = [(834 - 680) / 680] x 100
Subtract the new number by the original number
834 - 680 = 154
154 ÷ 680 = 0.22647058823529412
0.22647058823529412 x 100 = 22.65%