How are these numbers calculated?

Big Games

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

Week of 11/26100.0*Chance in playoffs100.0*Average seed
George Patton H 85.28 Off Constantly 86.32 +16.6
+0.9
Bill's Unreal T 73.14 Green Grandma 101.3 +3.1
+0.1
Sarah's Team 110.2 Ashley's Team 79.62 -2.8
RobotOverlords 94.3 Ineedabeer! 105.84 -1.7
-0.1
Replacements 60.24 marcus's Team 85.78 +1.5
+0.1
Michael's Okay 83.3 Some Team 80.82 +1.5
+0.1
Week of 12/3100.0*Chance in playoffs100.0*Average seed
Bill's Unreal T 35.96 Off Constantly 114.24 +13.8
+0.8
RobotOverlords 80.42 Replacements 119.24 -2.5
-0.1
Ineedabeer! 87.74 Green Grandma 92.98 +1.9
+0.2
Michael's Okay 96.42 Sarah's Team 55.68 +1.4
+0.1
Some Team 128.82 marcus's Team 70.1 +0.4
George Patton H 118 Ashley's Team 114.94 +0.1
If winner is:HomeAway
Week of 12/10100.0*Chance in playoffs100.0*Average seed
Off Constantly vs Green Grandma+0.6-0.6
Bill's Unreal T vs Ashley's Team+0.3-0.3
Ineedabeer! vs Replacements+0.1-0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
101-0In673312,213,215
90-1In10345612,218,321
Total:In38342824,431,536
Games Above .500
Chance Will Make Playoffs