How are these numbers calculated?

Big Games

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

Week of 11/24100.0*Chance in playoffs100.0*Average seed
deeznutz 54 dixienormous 86 In
+0.4
snowballschance 88 milehighmagic 94 -0.6
lucky9s 69 joplinjoe 47 -0.5
mudslingers 82 hotchubbtimemachine 67 +0.1
+0.1
Week of 12/1100.0*Chance in playoffs100.0*Average seed
dixienormous 75 milehighmagic 84 -0.1
triplec 112 mudslingers 61 -0.1
If winner is:HomeAway
Week of 12/8100.0*Chance in playoffs100.0*Average seed
dixienormous vs triplec+0.2-0.3

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
91-0In1009,645,101
80-1In50509,640,827
Total:In752519,285,928
Games Above .500
Chance Will Make Playoffs