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
New Orleans Voodoo 46.22 Detroit Bankrupcies 73.58 In
+0.6
Favre Dollar Footlongs 75.76 Gross Tea 89.52 -0.2
Columbus Storm 53.2 Portland Dragons 159.58 +0.0
Week of 11/25100.0*Chance in playoffs100.0*Average seed
Detroit Bankrupcies 111.16 Detroit Noobs 76.68 +0.2
St. Louis Raiders 71.9 Gross Tea 36 +0.1
Portland Dragons 81.28 Multiple Scorgasms 41 -0.1
Wako for Flacco 47.98 Columbus Storm 75.82 -0.0
I Touchdown There 64.76 New Orleans Voodoo 23.9 -0.0
Week of 12/2100.0*Chance in playoffs100.0*Average seed
Gross Tea 91 Detroit Bankrupcies 82.12 -1.3
Columbus Storm 58.48 Multiple Scorgasms 82.4 +0.1
New Orleans Voodoo 68.62 Portland Dragons 82.3 -0.0
Games Above .500
Chance Will Make Playoffs