How are these numbers calculated?

Big Games

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

Week of 4/14100.0*Average seed
Rush 12 Black Wolves 13 -0.3
Swarm 17 Bandits 16 -0.1
Rock 8 Bandits 13 +0.1
Mammoth 13 Knighthawks 7 -0.0
Week of 4/22100.0*Average seed
Rush 15 Rock 10 +0.3
Stealth 13 Mammoth 7 +0.1
Bandits 7 Swarm 20 -0.1
Week of 4/28100.0*Average seed
Knighthawks 10 Swarm 13 -0.0
Games Above .500
Chance Will Make Playoffs