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
Knights 5 Pucks 4 -5.4
-0.3
Stars 1 Showers 7 -1.0
Hawks 11 Pylons 1 +1.0
Thrashers 3 Rebels 1 +1.0
Shockers 6 Gunners 1 +0.7
Rebels 2 Bees 4 +0.6
Stars 2 Gunners 6 -0.4
+0.1
Week of 2/2100.0*Chance in playoffs100.0*Average seed
Rebels 1 Fireliners 0 Out
Showers 3 Pucks 2 Out
-0.2
Bees 7 Thrashers 1 +0.1
Week of 2/9100.0*Chance in playoffs100.0*Average seed
Gunners 7 Pucks 2 -0.5
Fireliners 1 Thrashers 6 -0.1
Hawks 7 Pucks 2 -0.1
Games Above .500
Chance Will Make Playoffs