How are these numbers calculated?

Big Games

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

Thursday100.0*Average seed
Bar Down 4 Lost Boys 3 -0.8
Friday100.0*Average seed
Stars 3 Red Coats 2 (ot)-0.3
Sensations 4 Greyhounds 6 +0.3
Firebirds 4 Wolves 0 -0.2
Saturday100.0*Average seed
Lost Boys 6 Aurora 5 (so)+1.3
Points
Chance Will Make Playoffs