How are these numbers calculated?

Big Games

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

Friday100.0*Qualified100.0*Average seed
New Canaan 42 Danbury 62 -18.8
-0.3
Staples 54 Bassick 32 +12.5
+0.3
Trumbull 54 Darien 19 +1.9
Saturday100.0*Qualified100.0*Average seed
Darien 39 Bassick 35 Yes
+0.5
Danbury 55 Stamford 35 -12.5
-0.2
MondayNone
Games Above .500
Chance Will Win Championship