How are these numbers calculated?

Big Games

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

Week of 11/21100.0*Chance in playoffs100.0*Average seed
MikeZauns 88.45 Maclin 99.35 +25.3
+1.4
WindowThrowas 69.75 Woodheads 82.3 +5.3
+0.1
Dalvin 114.9 Demaryius 67.35 +2.5
+0.2
Doogle 82.2 UncleRick 118.35 -1.2
FlamaBlanca 85.65 Grundels 117.3 +1.1
+0.1
BortleService 91.4 DeltaFuGamma 114.2 -0.4
Week of 11/28100.0*Chance in playoffs100.0*Average seed
Maclin 80.75 Dalvin 155 -15.4
-0.7
Grundels 78 WindowThrowas 92.7 -6.1
-0.1
MikeZauns 82.6 Demaryius 79.95 -1.3
+0.3
FlamaBlanca 114.85 Woodheads 110.2 +0.4
If winner is:HomeAway
Week of 12/5100.0*Chance in playoffs100.0*Average seed
Maclin vs DemaryiusIn-49.3
+2.6-2.6
WindowThrowas vs FlamaBlanca-0.8+0.8
Dalvin vs MikeZauns+0.8-0.8

What If

Chances based on how well the Maclin finish out the regular season.   Explain

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
71-0In1003,854,959
60-11.5%2270273,853,369
Total:50.8%501135147,708,328
Games Above .500
Chance Will Make Playoffs