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
Replacements 60.24 marcus's Team 85.78 -11.3
-0.7
Sarah's Team 110.2 Ashley's Team 79.62 -1.2
RobotOverlords 94.3 Ineedabeer! 105.84 -1.0
-0.1
Michael's Okay 83.3 Some Team 80.82 +0.8
Bill's Unreal T 73.14 Green Grandma 101.3 +0.1
George Patton H 85.28 Off Constantly 86.32 -0.0
Week of 12/3100.0*Chance in playoffs100.0*Average seed
RobotOverlords 80.42 Replacements 119.24 +12.9
+0.4
Ineedabeer! 87.74 Green Grandma 92.98 +7.7
+0.3
Michael's Okay 96.42 Sarah's Team 55.68 +5.4
+0.1
Some Team 128.82 marcus's Team 70.1 +0.6
Bill's Unreal T 35.96 Off Constantly 114.24 -0.0
If winner is:HomeAway
Week of 12/10100.0*Chance in playoffs100.0*Average seed
Ineedabeer! vs Replacements-32.2In
-1.3+0.2
Sarah's Team vs marcus's Team-0.7+0.7
RobotOverlords vs Some Team+1.0-0.3
Michael's Okay vs George Patton H-0.0+0.9
Off Constantly vs Green Grandma-0.0+0.5
Bill's Unreal T vs Ashley's Team+0.4-0.0

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
91-0In029878,537,153
80-164.2%6426918,907,847
Total:96.3%0288731087,445,000
Games Above .500
Chance Will Make Playoffs