How are these numbers calculated?

Big Games

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

Friday100.0*Average seed
Worcester 2 Hartford 3 -0.2
Manchester 4 Portland 3 +0.1
Saturday100.0*Average seed
Portland 2 Lowell 5 +0.1
Worcester 3 Providence 0 +0.1
SundayNone
Points
Chance Will Make Playoffs