Click the window select button or drop down arrow at the top left hand corner of the top blue table and and either choose:

Single Period Report
Multiple Period Analysis
Custom Analysis

I am assuming you are viewing NewViews > Report > The Report you are viewing.

Review the Help > Manual and under NewViews 2.08 Manual click the plus to expand the document tree and then plus on Report > Analysis for more information on this topic.

Regards,

Martin