How are these numbers calculated?

Big Games

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

Sunday100.0*Average seed
Leafs 2 Dragons 1 -0.8
Sundogs 4 Roadhogs 2 -0.1
Grenades 2 Broncos 4 +0.1
Monday100.0*Average seed
Gems 4 Surge 3 (so)-0.3
Ice 3 Sundogs 5 -0.1
Tuesday100.0*Average seed
Dragons 3 Sundogs 4 -0.9
Blades 8 Panthers 5 -0.3
Starrs 1 Gems 3 -0.2
Points
Chance Will Make Playoffs