How are these numbers calculated?

Big Games

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

Wednesday, 9/21100.0*Average seed
Peemasters 7 Mexico 0 -0.1
Burritos 1 Ladyboys 3 -0.1
Monday, 9/26100.0*Average seed
Peemasters 3 Burritos 4 (ot)+0.1
Tuesday, 9/27100.0*Average seed
Cats 0 Peemasters 3 -0.4
Fish ’n Chips 1 Burritos 2 +0.3
Points
Chance Will Make Playoffs