How are these numbers calculated?

Big Games

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

Week of 11/19100.0*Chance in playoffs100.0*Average seed
KEV 88 FLN 70.2 -17.9
-0.6
BAC 104.5 Taco 67.2 +6.0
+0.3
PIA 104.5 RWC 71.2 +2.6
+0.1
KID 82.9 NWA 67.5 +0.1
Week of 11/26100.0*Chance in playoffs100.0*Average seed
FLN 94.5 KID 105.5 -18.8
-0.6
Taco 100 PIA 144.2 +11.3
+0.4
RWC 61.2 KEV 93.7 -3.4
Week of 12/3100.0*Chance in playoffs100.0*Average seed
KEV 68.1 Taco 95.1 -23.9
-0.7
BAC 138.8 FLN 103 -23.9
-0.7
Games Above .500
Chance Will Make Playoffs