20.41% is the change from 686 to 826
Calculation steps:
[( 826 - 686 ) ÷ 686] x 100 = 20.41%
Formula
Percentage change = [(826 - 686) / 686] x 100
Subtract the new number by the original number
826 - 686 = 140
140 ÷ 686 = 0.20408163265306123
0.20408163265306123 x 100 = 20.41%