Understand the dividend payout ratio, how it differs from the dividend yield, and how it can be calculated from a company's income statement.

To calculate the turnover ratio, you need to know several numbers. First, you need to determine the total number of securities the mutual fund purchased during the period in question.

To calculate the average percentage difference over time, you'll need to build a time series of data. The starting point is the price information for each date on which you're producing an average.