Double-click the chart.
In the datasheet, click and hold while dragging the mouse across the chart numbers you want to format.
Click the Currency , Percent , or Comma button on the Formatting toolbar.
PowerPoint applies the formatting to the numbers in the datasheet and on the chart.
You can apply number formatting to your datasheet to make your chart data display currency, percent, or comma symbols.
My Datasheet Is Missing !
If your datasheet is hidden, click the View Datasheet button on the Standard toolbar in Chart Edit mode to display the datasheet again.
Controlling Decimals
To change the number of decimal places displayed in the data, click the Increase Decimal or Decrease Decimal buttons on the Formatting toolbar.
