How are these numbers calculated?

Big Games

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

Friday100.0*Average seed
St. Joseph 65 Greenwich 40 +0.7
Trumbull 54 Darien 19 -0.2
New Canaan 42 Danbury 62 -0.1
Staples 54 Bassick 32 +0.1
SaturdayNone
Monday100.0*Average seed
Trumbull 62 Danbury 43 -0.5
Games Above .500
Chance Will Win Championship