At the beginning of the day, the sum of the stocks in the dow jones was $10,245.31. at the end of the day, the sum of the stocks in the dow jones was $10,165.79. what was the rate of change of the dow jones on this particular day?

The rate of change was -0.8%.

Explanation:

You have to calculate the percent difference:

Percent difference = ((new value - old value)/old value)*100

(($10,165.79-$10,245.31)/10,245.31))*100

=(-79,52/10,245.31)*100

=-0,008*100= -0,8%

According to this, the rate of change of the Dow Jones on this particular day was -0,8%.