How are these numbers calculated?

Big Games

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

Week of 11/20100.0*Chance in playoffs100.0*Average seed
Ordinary Gentle 79 bottom of the b 78 Out
-0.6
Keepernicks 93 Felixtowe Falcons 80 +0.1
Handegg Handymen 63 Caw Caw 103 +0.0
Hophead Exiles 94 Motley's Crew 66 +0.1
Week of 11/27100.0*Chance in playoffs100.0*Average seed
Felixtowe Falcons 103 bottom of the b 105 +0.9
Keepernicks 93 Handegg Handymen 119 +0.1
This Ain't Socc 106 Motley's Crew 85 +0.1
If winner is:HomeAway
Week of 12/4100.0*Chance in playoffs100.0*Average seed
bottom of the b vs This Ain't Socc+0.9-0.2
Felixtowe Falcons vs Happy Romans-0.5+0.2
Handegg Handymen vs Motley's Crew+0.3-0.4

What If

Chances based on how well the bottom of the b finish out the regular season.   Explain

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-OTLplayoffs12345678910Count
61-00Out326811,726,343
50-01Out39471348,704,277
Total:Out645381160,430,620
Points
Chance Will Make Playoffs