what is the formula for this and how do you type it out? thank you!

On December 24,2007 , the common stock of Google Inc. (GOOG) was trading for $700.73. One year later the shares sold for only \$298.02. Google has never paid a common stock dividend. What rate of return would you have earned on your investment had you purchased the shares on December 24,2007 ? Complete the steps below using cell references to given data or previous calculations. In some cases, a simple cell reference is all you need. To copy/paste a formula across a row or down a column, an absolute cell reference or a mixed cell reference may be preferred. If a specific Excel function is to be used, the directions will specify the use of that function. Do not type in numerical data into a cell or function. Instead, make a reference to the cell in which the data is found. Make your computations only in the green cells highlighted below. In all cases, unless otherwise directed, use the earliest appearance of the data in your formulas, usually the Given Data section. 2 In cell E10, by using cell references, calculate the rate of return on the investment after one year. (1 pt.) 3 Save the workbook. Close the workbook and then exit Excel. Submit the workbook as directed