A data set that occurs frequently consists of the values or the percentage breakdown of several categories for two time periods. A common way of plotting these data is to use a pair of pie charts.

Pie charts are unique among the types of graphs Excel can make because they only work with limited sets of data. Unlike bar charts and line charts, two or more pie charts do not combine easily, ...

If you want to create a pie chart in Excel, this step-by-step guide is for you. In this article, we would consider the Hierarchical Sunburst chart as a type of pie chart, though the procedure for ...

What an outstanding group of readers I have! Both the quality and the quantity of entries to the Graph Makeover Contest were amazing. There were 29 entries to the first part of the contest which ...