18.66% is the change from 686 to 814
Calculation steps:
[( 814 - 686 ) ÷ 686] x 100 = 18.66%
Formula
Percentage change = [(814 - 686) / 686] x 100
Subtract the new number by the original number
814 - 686 = 128
128 ÷ 686 = 0.18658892128279883
0.18658892128279883 x 100 = 18.66%