19.83% is the change from 686 to 822
Calculation steps:
[( 822 - 686 ) ÷ 686] x 100 = 19.83%
Formula
Percentage change = [(822 - 686) / 686] x 100
Subtract the new number by the original number
822 - 686 = 136
136 ÷ 686 = 0.19825072886297376
0.19825072886297376 x 100 = 19.83%