Ever found yourself staring at a cluttered Excel dashboard, wondering if there’s a better way to present your data? Speedometer charts might seem like a flashy solution, but are they really the most ...

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 a way to show data. Pie charts show proportions of a whole. The circle of the pie chart represents the whole. That's a full 360 degrees. Each part, or slice, represents part of the ...