The following sequence of numbers appear
in the lower left hand corner of your PSP screen.
NOTE: The numbers themselves may be different.

(31,1) -> (278,282) = (247,281) [0.879]

(31,1) = top left corner of selection box
(278,282) = bottom right corner of selection box
(247,281) = size of selected area
[0.879] = Aspect Ratio