You can add page numbering to a report using a textbox and the Report Info button.

To add page numbering to a report

Click inside the textbox as if to type in it. In the Report toolbar, the Report Info button is enabled.
Click the Report Info button. A list of report info values for the report drops down.
Select Page n of m. Text and purple boxes with an ampersand and n (page number) and an ampersand and m (total pages) appears. You can change the text and remove &n or &m, or add other report info to the textbox.