How are these numbers calculated?

Big Games

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

Week of 11/18100.0*Chance in playoffs100.0*Average seed
Detroit Noobs 65.26 St. Louis Raiders 54.4 +6.8
+0.2
Dryden Tigers 86.98 Raging Slugs 91.42 +4.0
+0.0
Wako for Flacco 22.56 Cleveland Browns 52.2 -3.0
-0.0
Chicago Swag Masters 88.58 Boston Blizzard 86.86 -1.3
-0.0
Multiple Scorgasms 79.2 I Touchdown There 58.34 -0.3
-0.0
New Orleans Voodoo 46.22 Detroit Bankrupcies 73.58 -0.0
Week of 11/25100.0*Chance in playoffs100.0*Average seed
Boston Blizzard 73.26 Dryden Tigers 57.92 +8.6
+0.1
Cleveland Browns 60.86 Chicago Swag Masters 90.58 +8.5
+0.1
Detroit Bankrupcies 111.16 Detroit Noobs 76.68 -3.3
-0.2
I Touchdown There 64.76 New Orleans Voodoo 23.9 +2.1
+0.0
Wako for Flacco 47.98 Columbus Storm 75.82 +1.3
+0.0
Raging Slugs 89.22 Favre Dollar Footlongs 118.02 -0.1
Week of 12/2100.0*Chance in playoffs100.0*Average seed
Detroit Noobs 92.08 I Touchdown There 104.54 Out
-1.2
Chicago Swag Masters 99.6 Wako for Flacco 50.14 +0.0
Games Above .500
Chance Will Make Playoffs