RE: What % of the time...
It depends on what I'm looking for. There are places that I know I will see deer anytime I go there. But they are does and small bucks. There are other places where I might not see deer, but based on scrapes and rubs, I know that larger bucks may be. Once the rut starts, I'll go to those places where I know the does hang out, in hopes of seeing a shooter buck.
I usually see a few deer when I'm on the stand, but the last two days were unseasonably warm, so not much was moving. A waste of a couple of vacation days, unfortunately.