17.95% is the change from 691 to 815
Calculation steps:
[( 815 - 691 ) ÷ 691] x 100 = 17.95%
Formula
Percentage change = [(815 - 691) / 691] x 100
Subtract the new number by the original number
815 - 691 = 124
124 ÷ 691 = 0.17945007235890015
0.17945007235890015 x 100 = 17.95%