The chart above shows the stock change within 3 days starting March 8th to March 13th. Starting March 8th, at the end of the day Macys was worth $30.80.
March 9th it was worth $31.54
March 10th it was worth $31.73
March 13th it was worth $30.92
Over the last few days it has gone down $30.92. It has dropped 1.38%
What else do you know about the rate of change?