38.03% is the change from 497 to 686
Calculation steps:
[( 686 - 497 ) ÷ 497] x 100 = 38.03%
Formula
Percentage change = [(686 - 497) / 497] x 100
Subtract the new number by the original number
686 - 497 = 189
189 ÷ 497 = 0.38028169014084506
0.38028169014084506 x 100 = 38.03%