If you need the values to change in the values in the pie chart upon changes in the data list, try creating a dynamic chart in Excel ... The last but not the least thing to keep in mind is ...

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 ...

And when you already have a column or row of an Excel spreadsheet loaded with the data in question, you can make a pie chart in about five seconds. Here's how. How to make a pie chart in Excel 1.

An Excel pie chart displays categories of data as wedges in a circular graph ... the percent contribution each category makes. Click "Move Chart," select "New Sheet" and click "OK" to move ...