How are these numbers calculated?

Big Games

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

Week of 12/6100.0*Chance in playoffs100.0*Average seed
Thunderstruck 101 Spiders 162 +21.8
+1.2
Huf Dun 109 Juices Fruit 105 +7.7
+0.2
Cougars 171 Whalers 77 -0.7
-0.1
Leprechauns 70 Red Zone 139 +0.5
+0.1
Lost Dogs 147 IGFYU 142 +0.0
If winner is:HomeTieAway
Week of 12/13100.0*Chance in playoffs100.0*Average seed
Spiders vs Whalers+0.6-1.0-1.0
Blues vs IGFYU+0.2+0.2-0.4
Thunderstruck vs Cougars+0.1+0.1-0.3
Huf Dun vs Leprechauns+0.2+0.2-0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs123456789101112Count
71-0-0In71299,091,052
60-1-0In2655195,179,136
0-0-1In265519173,429
Total:In452820714,443,617
Games Above .500
Chance Will Make Playoffs