Finding the right percentage formula

Hi all,

I need help with this simple formula. Below are how my cells look. The success rate cell is the one I am having problems with.

Orders cell (F10) = 100

Sales cell (B10) = 90

Success rate = 90% (This is the formula I need) it says 9600.00% on my Success Rate Cell and this is the formula I tried. =AVERAGE(F10,B10) I want this cell to read 90% so need that fomula.

Hope I expressed this correctly.

Cheers,

Richard