Excel's PERCENTOF function returns the percentage that a subset of data contributes to a whole dataset, saving you from having to create additional or complex formulas to generate the same outcome.

Reviewed by Thomas Brock Fact checked by Suzanne Kvilhaug CAPM: An Overview Many investors use the capital asset pricing model (CAPM) as a way to estimate the potential return of a stock or other ...

Nick David / Getty Images There is no specific formula in Excel or other spreadsheet applications that will calculate a company's weighted average cost of capital (WACC) for you. Instead ...

One way to find a percentage of an amount is to use 1%, 10% and 50% as building blocks. 1%, 10% and 50% can be used as building blocks for working out percentages in your head. 1% is 1⁄100.

Using data in Column C, calculate the daily percentage change in the index. Starting with cell D4, the formula ... Find the daily standard deviation. Now, you will use the STDEV.S function in Excel.