How are these numbers calculated?

Big Games

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

Week of 3/4100.0*Chance in playoffs100.0*Average seed
Icemen 3 Rebels 1 -22.4
-0.3
Rebels 3 Gunners 8 -16.8
-0.2
Bench Minors 0 Shockers 5 +0.7
+0.0
Week of 3/11100.0*Chance in playoffs100.0*Average seed
Killer Bees 0 Icemen 3 +30.9
+0.3
Shockers 5 Rebels 3 -14.5
-0.1
Gunners 5 Killer Bees 3 +13.7
+0.1
Week of 3/18100.0*Chance in playoffs100.0*Average seed
Killer Bees 1 Shockers 5 In
+0.2
Games Above .500
Chance Will Make Playoffs