Percentages aren't always easy to calculate, but one of the best tools in Excel's toolbox is calculating percentages for you. Here's how to do it.

How to Calculate Maximum Sales Price in Excel. You have three ways to calculate sales price in Excel. First, you can apply a flat profit to the cost of the item as a dollar value. Adding your ...

How to Use Excel to Calculate the ROI on a Product. "Return on investment" is a financial calculation used to gauge how well the money you invest earns you even more money. To calculate ROI you ...

Profit margins vary by industry and should only be compared to those of similar companies. You can use computer software, such as Microsoft Excel, to quickly calculate profit margins.

The payback period is the amount of time needed to recover the initial outlay for an investment. Learn how to calculate it with Microsoft Excel.

To calculate statistical variance in Microsoft Excel, use the built-in Excel function VAR.