If you are using Microsoft Excel to manage numerical data, at some point you're inevitably going to display percentages. Doing so can give you a new insight, or make summarizing heaps of data a bit ...

This post explains how to calculate Weighted Average in Excel with percentages. In a standard arithmetic average where the sum of values is divided by the number of values, each data value is treated ...

Most people build a PivotTable, drag a field into Values, get a sum, and walk away. That's fine if all you need is a total, but totals on their own are just numbers sitting there. They don't tell you ...