How are these numbers calculated?

Big Games

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

Week of 2/7100.0*Chance in playoffs100.0*Average seed
Duquesne 5 Slippery Rock 3 -3.2
-0.3
Robert Morris PA 4 Mercyhurst 2 +1.2
+0.1
Pittsburgh 5 John Carroll 3 -0.5
-0.1
Duquesne 5 Mercyhurst 3 -0.3
+0.2
West Virginia 1 Pittsburgh 4 +0.2
+0.0
Week of 2/14100.0*Chance in playoffs100.0*Average seed
Duquesne 1 Indiana Pennsylvania 4 In
+0.5
Pittsburgh 5 Mercyhurst 2 +0.0
Week of 2/21None
Points
Chance Will Make Playoffs