Learn how to calculate Weighted Average in Excel with percentages using the SUM function and the SUMPRODUCT function.

You can calculate Ratio in Excel by using the GCD function and the Substitute function. This article is a step-by-step guide to help you.

A straight ranking result is easy using one of Microsoft Excel’s ranking functions. Calculating a conditional rank is even easier if you let an Excel PivotTable do all the work.

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 ...

You can calculate weight loss as a percentage of your total body weight. Here's how to calculate weight loss percentage and why it matters.

How to Calculate Weight Loss Percentage To calculate weight loss percentage, divide the amount of weight lost by your starting weight, then multiply that by 100.