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
IRSlots 147.46 Chocolate 86.52 +57.2
+2.2
Annexation 88.48 Memo 65.82 -5.8
-0.5
Taints 101.38 ElToro 80.86 +3.0
Duchess 74.94 Sass 82.52 -0.1
ITSAWASH 128.06 Mattress 46.1 -0.2
Whites 89.66 10Deep 48.92 -0.2
Week of 11/22100.0*Chance in playoffs100.0*Average seed
Sass 120.98 Chocolate 84.88 +6.0
+0.3
Duchess 98.24 ITSAWASH 69.18 +6.0
+0.7
IRSlots 71.6 Taints 42.86 -0.1
Memo 121.98 Whites 84.5 +0.1
Games Above .500
Chance Will Make Playoffs