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 +22.6
+1.2
Idaho Fat Waffles 91 I got the Power 101 +3.5
+0.1
Team Anselmo 66 Sting 75 -2.8
-0.1
Win With A Brees 50 A for Eifert 95 -2.1
-0.1
Pittsburgh Pyth 106 Wideouts 87 -0.4
Show Me Your TD'S 102 Horsemen 64 -0.1
Week of 11/20100.0*Chance in playoffs100.0*Average seed
Show Me Your TD'S 97 Team Brownie 62 -21.4
-0.9
Pittsburgh Pyth 90 Horsemen 71 -3.1
-0.1
Team Anselmo 104 A for Eifert 106 -1.6
-0.2
Idaho Fat Waffles 110 Wideouts 69 -1.1
-0.1
Harvin a Migraine 85 Sting 120 +0.9
If winner is:HomeAway
Week of 11/27100.0*Chance in playoffs100.0*Average seed
Team Brownie vs Pittsburgh PythIn-49.9
+1.6-1.6
A for Eifert vs Harvin a Migraine-0.1+0.1
Horsemen vs Idaho Fat Waffles+0.1-0.1
+0.2-0.2
Sting vs Show Me Your TD'S+0.1-0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
81-0In14513510,284,951
70-10.2%01640341010,287,385
Total:50.1%7251882017520,572,336
Games Above .500
Chance Will Make Playoffs