I now aim to show the percentage sign also when you run, for example, the command
man emacs
If you run it, you get \'byte 3300\' for instan
With a live less runtime I used -M.
That's "-MEnter" at the : prompt with less running.
With really large buffers I also had to go to the end to "discover" their size. End and back Home.
Note: I would have posted as a comment to @sleske's answer, but last I recall, comments don't support Keyboard tags.