How are these numbers calculated?

Big Games

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

Week of 3/22100.0*Chance in playoffs100.0*Average seed
Orono 3 Ventura 2 +28.1
+0.3
Week of 3/26100.0*Chance in playoffs100.0*Average seed
Ventura 2 Orono 1 -25.9
-0.6
Liberty 3 Firefighters 4 *-0.1
+0.2
Week of 4/3100.0*Chance in playoffs100.0*Average seed
Firefighters 2 Orono 1 Out
-1.2
Ventura 1 Liberty 2 +4.6
+0.0

* A starred number could be exactly 0 or just really small. The simulation did not run long enough to know.

Games Above .500
Chance Will Make Playoffs