21.28% is the change from 686 to 832
Calculation steps:
[( 832 - 686 ) ÷ 686] x 100 = 21.28%
Formula
Percentage change = [(832 - 686) / 686] x 100
Subtract the new number by the original number
832 - 686 = 146
146 ÷ 686 = 0.21282798833819241
0.21282798833819241 x 100 = 21.28%