Yet another "prints-darker-than-screen" but with a twist...!

Gilgames wrote:

While having my monitor brightness to 0 and contrast to 70, I measured a completely white background with my camera, at ISO 200 and f/5.6 . Shutter speed was about 1/25, so basically this means that I have an EV slightly larger than 9, between 9 and 10 (by consulting the appropriate table), or in fact, an EV between 10 and 11, since my ISO is 200, not 100 like in the table.

Any thoughts?