How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 3/20100.0*Average seed
Cats 9 Brew 4 +0.2
Eagles 2 Skulls 4 +0.2
Cats 11 Cruisers 6 +0.1
Kong 3 2intheBOX 5 +0.0
Week of 3/28100.0*Average seed
Eagles 4 Kong 3 -0.1
Week of 4/1100.0*Average seed
Kong 10 Cats 2 -0.5
Eagles 8 Cruisers 1 -0.1
Points
Chance Will Make Playoffs