38.83% is the change from 497 to 690
Calculation steps:
[( 690 - 497 ) ÷ 497] x 100 = 38.83%
Formula
Percentage change = [(690 - 497) / 497] x 100
Subtract the new number by the original number
690 - 497 = 193
193 ÷ 497 = 0.38832997987927564
0.38832997987927564 x 100 = 38.83%