How are these numbers calculated?

Big Games

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

Friday100.0*Average seed
St John's 5 Springfield 2 -0.2
Hershey 0 Binghamton 1 (ot)-0.1
Saturday100.0*Average seed
Hershey 1 Lehigh 2 (so)-0.1
Portland 2 Providence 3 (ot)-0.1
SundayNone
Points
Chance Will Make Playoffs