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 +9.2
+1.0
IRSlots 147.46 Chocolate 86.52 -6.4
-0.3
Whites 89.66 10Deep 48.92 -2.6
-0.1
Duchess 74.94 Sass 82.52 +0.1
ITSAWASH 128.06 Mattress 46.1 +0.1
Week of 11/22100.0*Chance in playoffs100.0*Average seed
10Deep 60.12 Annexation 83.34 +9.5
+1.1
IRSlots 71.6 Taints 42.86 -6.4
-0.3
Memo 121.98 Whites 84.5 +2.1
+0.2
ElToro 80.74 Mattress 84.22 +0.3
Duchess 98.24 ITSAWASH 69.18 +0.2
Sass 120.98 Chocolate 84.88 +0.1
Games Above .500
Chance Will Make Playoffs