How to handle #ERROR, NAN and INFINITY using expression in SSRS?

How to handle #ERROR, NAN and INFINITY in a single expression in SSRS report my expression looks like this (Current-Previous)/Previous*100.

I tried like this

=IIF((SUM(Current)="" OR SUM(Previous) = ""),"",(SUM(Current) - SUM(Previous))) / SUM(Previous)

but it was giving error for all