# Charts – Pie

The Pie Chart is used to display the numerical proportions of data in a circular representation.

The values in the Pie Chart are aggregated values of referenced DataSet columns; it presents a visual representation of the ratio between values. The values are generated by adding and summing all items in a DataSet column, and then presenting a ratio of those values.

The Pie Chart only includes two common chart properties, Show Legends and Visible Columns that are described in the Charts – Common Properties topic.