Those numbers in the status bar are intended to work like the line or page number indicator in a word processor.
They tell you the total number of peptides in your document, but also which peptide you currently have selected in the Targets tree.
It is displayed as a numerator/denominator indicating how far through the total is the position of the selection in the Targets tree.
If your decoy peptides are all at the end of the document, then the way to count the non-decoy peptides is to select the first decoy, and the number of non-decoys is one less than the numerator. In the screenshot that I've attached I have selected the decoy peptide list, and so you can infer that the number of non-decoy peptides in the document is 163,053.
Another way to count the number of peptides matching a particular criteria is to make a custom report in the Document Grid. If you want the totals displayed in a single line in the Document Grid you can use the Pivot Editor.
If you are already using the Document Grid for something else, and you want to have a second document grid floating around displaying a different report, the trick to doing that is to go to:
File > Export > Report > Preview
and then cancel out of the Export Report dialog, but leave the preview window there.
Hope this helps,