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
Swarm 17 Bandits 16 -15.8
-0.7
Rock 8 Bandits 13 +13.4
+0.6
Stealth 15 Roughnecks 11 +3.6
Mammoth 13 Knighthawks 7 +3.5
+0.1
Rush 12 Black Wolves 13 -1.0
-0.1
Week of 4/22100.0*Chance in playoffs100.0*Average seed
Bandits 7 Swarm 20 -17.6
-0.7
Rush 15 Rock 10 +5.1
+0.2
Stealth 13 Mammoth 7 -4.7
-0.2
Knighthawks 15 Black Wolves 13 -4.3
-0.2
Week of 4/28100.0*Chance in playoffs100.0*Average seed
Bandits 15 Rock 19 -0.2
Swarm 8 Knighthawks 9 -0.2
Knighthawks 10 Swarm 13 +0.1
Games Above .500
Chance Will Make Playoffs