20.98% is the change from 691 to 836
Calculation steps:
[( 836 - 691 ) ÷ 691] x 100 = 20.98%
Formula
Percentage change = [(836 - 691) / 691] x 100
Subtract the new number by the original number
836 - 691 = 145
145 ÷ 691 = 0.2098408104196816
0.2098408104196816 x 100 = 20.98%