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
Hophead Exiles 94 Motley's Crew 66 +3.1
+0.3
Keepernicks 93 Felixtowe Falcons 80 +0.7
Ordinary Gentle 79 bottom of the b 78 -0.6
Handegg Handymen 63 Caw Caw 103 +0.5
-0.1
Happy Romans 118 This Ain't Socc 146 +0.1
Week of 11/27100.0*Chance in playoffs100.0*Average seed
Ordinary Gentle 101 Hophead Exiles 95 -1.6
-0.5
Happy Romans 135 Caw Caw 108 In
This Ain't Socc 106 Motley's Crew 85 -0.0
If winner is:HomeAway
Week of 12/4100.0*Chance in playoffs100.0*Average seed
Keepernicks vs Hophead Exiles-0.8+0.2
Felixtowe Falcons vs Happy Romans+0.5-0.2
Ordinary Gentle vs Caw Caw+0.1-0.1

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-OTLplayoffs12345678910Count
91-00In316948,699,047
80-01In297111,731,573
Total:In25621460,430,620
Points
Chance Will Make Playoffs