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 +0.4
Hershey 0 Binghamton 1 (ot)+0.1
W-B/Scranton 2 Albany 4 +0.1
Manchester 2 Portland 1 +0.1
Saturday100.0*Average seed
St John's 0 Springfield 1 (so)-0.4
W-B/Scranton 4 Norfolk 2 -0.2
Portland 2 Providence 3 (ot)-0.2
Sunday100.0*Average seed
Worcester 5 Portland 4 (so)-0.4
Points
Chance Will Make Playoffs