18.37% is the change from 686 to 812
Calculation steps:
[( 812 - 686 ) ÷ 686] x 100 = 18.37%
Formula
Percentage change = [(812 - 686) / 686] x 100
Subtract the new number by the original number
812 - 686 = 126
126 ÷ 686 = 0.1836734693877551
0.1836734693877551 x 100 = 18.37%