You can easily change the display format of data in pivot tables.

Activate (double-click) the Education Level table.

Click on the Percent column label to select it.

From the menus choose:

Edit
Select
Data Cells

From the menus choose:

Format
Cell Properties

Type 0 in the Decimals field to hide all decimal points in this column.

You can also change the data type and formatting in this dialog. Just select the type you want from the Category list, and the format for that type in the Format list.

Click OK to apply your changes and return to the viewer.

The decimals are now hidden in the Percent column.