18.31% is the change from 688 to 814
Calculation steps:
[( 814 - 688 ) ÷ 688] x 100 = 18.31%
Formula
Percentage change = [(814 - 688) / 688] x 100
Subtract the new number by the original number
814 - 688 = 126
126 ÷ 688 = 0.18313953488372092
0.18313953488372092 x 100 = 18.31%