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 +15.4
+0.8
Win With A Brees 50 A for Eifert 95 -1.9
-0.1
Idaho Fat Waffles 91 I got the Power 101 +1.9
+0.1
Team Anselmo 66 Sting 75 -1.2
-0.1
Pittsburgh Pyth 106 Wideouts 87 -0.3
Show Me Your TD'S 102 Horsemen 64 +0.2
Week of 11/20100.0*Chance in playoffs100.0*Average seed
Show Me Your TD'S 97 Team Brownie 62 -17.4
-0.9
Pittsburgh Pyth 90 Horsemen 71 -1.1
-0.0
Idaho Fat Waffles 110 Wideouts 69 -0.4
Team Anselmo 104 A for Eifert 106 -0.4
-0.1
Harvin a Migraine 85 Sting 120 +0.3
-0.1
If winner is:HomeAway
Week of 11/27100.0*Chance in playoffs100.0*Average seed
Team Brownie vs Pittsburgh PythIn-61.2
+1.1-1.8
A for Eifert vs Harvin a Migraine-0.2+0.3
-0.1+0.1
Horsemen vs Idaho Fat Waffles+0.3-0.2
+0.2-0.1

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
81-0In7484538,141,112
70-10.9%01174431723,575,896
Total:62.2%4302871712361,717,008
Games Above .500
Chance Will Make Playoffs