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*Chance in playoffs100.0*Average seed
Rock 8 Bandits 13 -5.7
-0.7
Swarm 17 Bandits 16 +2.6
+0.1
Stealth 15 Roughnecks 11 +1.9
Mammoth 13 Knighthawks 7 +1.2
-0.1
Rush 12 Black Wolves 13 -0.3
-0.2
Week of 4/22100.0*Chance in playoffs100.0*Average seed
Bandits 7 Swarm 20 +4.4
+0.1
Rush 15 Rock 10 -4.3
-0.5
Knighthawks 15 Black Wolves 13 -1.9
+0.2
Stealth 13 Mammoth 7 -1.4
-0.0
Week of 4/28100.0*Chance in playoffs100.0*Average seed
Knighthawks 10 Swarm 13 In
Mammoth 9 Rush 10 -0.1
Black Wolves 16 Stealth 17 -0.2
Bandits 15 Rock 19 +0.2
Games Above .500
Chance Will Make Playoffs