# Pie Chart
## Introduction
The **Pie Chart** displays data of one series in a pie with each piece being the size of proportioned amount of the total amount:
## Expected Data and Graph Designer
The Pie Chart expects data in a two column format such as:
| Type | Value |
| ------- | ------------- |
| wrong | 64
|
| none | 87
|
| correct | 34
|
In the Graph Designer you can then select the column you want to use for your x-axis, which in this case is the different sections of the pie:
Hence, the x-axis column does not need to be the first column. However, for consistency purposes it is recommended to always use your first column for the x-axis.
The size of each pie piece will be automatically calculated and if you activate the **tooltip**, which you can do in the Graph Designer:
You can see the exact percentage as well as the absolute amount for each pie piece:
