On the Chart type tab, you can change the chart type:
First, select the desired Chart type on the left and then the desired Subtype on the right. For more information on the available chart types, see Changing the chart type.
Color palette: You can change the color scheme of the chart here.
Reset all settings in chart: This option restores any changes you made to the properties of the chart back to their original state.
On the right side of the dialog box, a Preview shows the result of your customizations. If necessary, use the button 
to open the preview.