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
Staples 54 Bassick 32 +2.1
+0.1
New Canaan 42 Danbury 62 No
-0.5
Trumbull 54 Darien 19 +0.7
+0.2
St. Joseph 65 Greenwich 40 +0.1
Saturday100.0*Qualified100.0*Average seed
Darien 39 Bassick 35 -0.3
Monday100.0*Qualified100.0*Average seed
Norwalk 41 Darien 37 +0.5
Games Above .500
Chance Will Win Championship