How are these numbers calculated?

Big Games

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

Monday100.0*Average seed
Gold Kings 2 Knucklers 4 +0.1
National 3 Maple Leafs 2 -0.1
Tuesday100.0*Average seed
Predators 4 Rink Rats 2 +0.4
Thunder 4 National 0 +0.2
Wednesday100.0*Average seed
Jets 4 Predators 2 -0.2
Knucklers 4 National 2 -0.2
Points
Chance Will Make Playoffs