At the beginning of the day, the dow jones index was at $10,287.56. at the end of the day, the dow jones index was at $10,005.23. what was the rate of change of the dow jones on this particular day? express your answer as percentage and round to 2 decimal places.

(10,287.56 - 10,005.23) / 10,287.56 = 
(282.33) / 10,287.56 = 0.0274
0.0274/100 = 2.74%
At the beginning of the day, the dow jones index was at $10,287.56. at the end of the day, the dow jones index was at $10,005.23. The rate of change of the dow jones on this particular day is 2.74%

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Explanation:

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