How are these numbers calculated?

Big Games

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

Friday100.0*Average seed
Staples 54 Bassick 32 +0.4
New Canaan 42 Danbury 62 -0.1
Saturday100.0*Average seed
Danbury 55 Stamford 35 -0.0
Monday100.0*Average seed
Trumbull 62 Danbury 43 +0.4
Games Above .500
Chance Will Win Championship