20.69% is the change from 691 to 834
Calculation steps:
[( 834 - 691 ) ÷ 691] x 100 = 20.69%
Formula
Percentage change = [(834 - 691) / 691] x 100
Subtract the new number by the original number
834 - 691 = 143
143 ÷ 691 = 0.20694645441389292
0.20694645441389292 x 100 = 20.69%