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
Stars 2 Gunners 6 +4.0
+0.3
Shockers 6 Gunners 1 -3.7
-0.7
Hawks 11 Pylons 1 +1.2
+0.0
Stars 1 Showers 7 -0.8
-0.1
Knights 6 Showers 4 +0.8
Thrashers 3 Rebels 1 +0.7
+0.2
Rebels 2 Bees 4 +0.3
+0.1
Knights 5 Pucks 4 -0.1
Shockers 1 Fireliners 0 -0.0
Week of 2/2100.0*Chance in playoffs100.0*Average seed
Showers 3 Pucks 2 -1.2
-0.1
Rebels 1 Fireliners 0 -0.5
-0.0
Rebels 3 Icemen 1 -0.0
Week of 2/9100.0*Chance in playoffs100.0*Average seed
Gunners 7 Pucks 2 +0.6
Showers 3 Pylons 4 +0.3
Bees 4 Gunners 0 -0.1
Knights 7 Stars 0 -0.0
Games Above .500
Chance Will Make Playoffs