Hello. I can't find a special section to post this in, so if posting this here is wrong, I apologize. I've read alot in the FAQ section and after lots of pondering this is what I came up with (see picture below). Am I way off or is this usable? I'm using kilograms as I'm from Sweden.
( http://www.tjelvar.org/~1pontusduc87/untitled2.png )
( http://www.tjelvar.org/~1pontusduc87/HST_percentage.xls )

( http://www.tjelvar.org/~1pontusduc87/untitled2.png )
( http://www.tjelvar.org/~1pontusduc87/HST_percentage.xls )