How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 2/12100.0*Pres Trophy100.0*Average seed
Dominion / Potomac Falls 0 Broad Run 1 No
-0.1
Bishop Ireton 3 Bishop O'Connell 8 +1.7
+0.1
Week of 2/16None
Games Above .500
Chance Will Make Playoffs