How are these numbers calculated?

Big Games

How we did yesterday and who we should root for today.   Explain

Friday, 6/13100.0*1st Seed100.0*Average seed
Halton 13 Mississauga 12 No
-0.2
Wednesday, 6/18100.0*1st Seed100.0*Average seed
Mississauga 8 Buffalo 12 -0.2
Friday, 6/20None
Games Above .500
Chance Will Make Playoffs