How are these numbers calculated?

Big Games

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

Week of 11/13100.0*Chance in playoffs100.0*Average seed
Harvin a Migraine 67 Team Brownie 97 -15.1
-0.7
Win With A Brees 50 A for Eifert 95 -3.1
-0.1
Idaho Fat Waffles 91 I got the Power 101 +2.3
+0.1
Team Anselmo 66 Sting 75 -1.6
-0.1
Show Me Your TD'S 102 Horsemen 64 +0.6
Pittsburgh Pyth 106 Wideouts 87 +0.1
Week of 11/20100.0*Chance in playoffs100.0*Average seed
Harvin a Migraine 85 Sting 120 -17.1
-0.8
Team Anselmo 104 A for Eifert 106 -4.4
-0.1
Idaho Fat Waffles 110 Wideouts 69 -3.6
-0.1
Show Me Your TD'S 97 Team Brownie 62 +2.4
+0.1
Pittsburgh Pyth 90 Horsemen 71 -1.6
-0.1
If winner is:HomeAway
Week of 11/27100.0*Chance in playoffs100.0*Average seed
A for Eifert vs Harvin a MigraineOut+35.8
-1.2+1.6
Horsemen vs Idaho Fat Waffles+13.6-7.5
+0.3-0.2
Team Brownie vs Pittsburgh Pyth-2.2+3.5
+0.0-0.1
Sting vs Show Me Your TD'S+0.7-1.3
+0.2-0.4

What If

Chances based on how well the Harvin a Migraine finish out the regular season.   Explain

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
71-062.6%13503430026,395,644
60-1Out3214827135,321,364
Total:26.8%52116142715061,717,008
Games Above .500
Chance Will Make Playoffs