This example is a Pie Chart
Select all the data you want in the chart (shown below)

Then go to insert chart (below)



Select the type of chart you want (I select Pie below)



Click next unless you want to change something (below)



For our chart, select the Data Labels tab (below)



Finally, finish up the selection (below)

Notice here we are selecting one extra row at the top (below)



Selecting the extra row will give you