How are these numbers calculated?

Big Games

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

Week of 11/15100.0*Chance in playoffs100.0*Average seed
Annexation 88.48 Memo 65.82 -6.8
-2.2
Taints 101.38 ElToro 80.86 -1.8
IRSlots 147.46 Chocolate 86.52 +0.1
Week of 11/22100.0*Chance in playoffs100.0*Average seed
Duchess 98.24 ITSAWASH 69.18 +6.2
Memo 121.98 Whites 84.5 +6.0
+0.5
ElToro 80.74 Mattress 84.22 +2.7
+0.4
IRSlots 71.6 Taints 42.86 +0.9
+0.7
Sass 120.98 Chocolate 84.88 +0.1
Games Above .500
Chance Will Make Playoffs