How are these numbers calculated?

Big Games

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

Week of 1/26100.0*Chance in playoffs100.0*Average seed
Hawks 11 Pylons 1 -16.5
-0.4
Rebels 2 Bees 4 +8.2
+0.1
Stars 1 Showers 7 -5.4
-0.1
Thrashers 3 Rebels 1 +5.2
+0.1
Stars 2 Gunners 6 -3.2
-0.1
Shockers 6 Gunners 1 +3.0
+0.1
Knights 6 Showers 4 +1.6
+0.1
Knights 5 Pucks 4 +0.3
+0.1
Week of 2/2100.0*Chance in playoffs100.0*Average seed
Rebels 3 Icemen 1 Out
-0.2
Rebels 1 Fireliners 0 -14.9
-0.2
Showers 3 Pucks 2 -2.4
-0.1
Week of 2/9None
Games Above .500
Chance Will Make Playoffs