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
Duchess 74.94 Sass 82.52 -12.9
-1.0
Whites 89.66 10Deep 48.92 +5.9
+0.3
IRSlots 147.46 Chocolate 86.52 +4.3
+0.2
ITSAWASH 128.06 Mattress 46.1 -0.3
Annexation 88.48 Memo 65.82 -0.1
Week of 11/22100.0*Chance in playoffs100.0*Average seed
Duchess 98.24 ITSAWASH 69.18 +11.6
+1.1
10Deep 60.12 Annexation 83.34 +7.3
+0.3
Sass 120.98 Chocolate 84.88 +3.7
+0.3
ElToro 80.74 Mattress 84.22 +0.1
Memo 121.98 Whites 84.5 +0.1
IRSlots 71.6 Taints 42.86 -0.1
Games Above .500
Chance Will Make Playoffs