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
Swarm 17 Bandits 16 +0.2
Rush 12 Black Wolves 13 +0.1
Week of 4/22100.0*Average seed
Rush 15 Rock 10 -0.1
Bandits 7 Swarm 20 +0.1
Week of 4/28100.0*Average seed
Knighthawks 10 Swarm 13 +0.1
Mammoth 9 Rush 10 -0.1
Games Above .500
Chance Will Make Playoffs