I assume you have a field with values of either OnTime or OutStd. Assume
this field is named [Status].
A guess might be a control source like:
=Sum(Abs(Status="OnTime") * W2)/Sum([W2])
BTW: W2 Total Produced should be 57, not 77.

Signature
Duane Hookom
MS Access MVP
--
> my information on the report comes from a crosstab query, I want to do
> some
[quoted text clipped - 10 lines]
> service level: 45.45% 42.57% 55.56% (ontime/total
> produced
JOM - 09 Jan 2006 22:56 GMT
Thanks alot that worked very well.
Thanks for the calculations check!
> I assume you have a field with values of either OnTime or OutStd. Assume
> this field is named [Status].
[quoted text clipped - 18 lines]
> > service level: 45.45% 42.57% 55.56% (ontime/total
> > produced