How are these numbers calculated?

Big Games

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

Week of 11/10100.0*Chance in playoffs100.0*Average seed
Original Gangstas 115 Team Richards 114 +0.8
Easy Breesy Lem 81 Clear Eyes Full 129 -0.2
Coonazur's Pump 103 Busty Boob Gobl 104 -0.2
Dr. Wiggles' We 93 Team Hewerdine 95 -0.1
Obsession by Ke 84 Hi I'm Basil Ma 116 +0.1
Week of 11/17100.0*Chance in playoffs100.0*Average seed
Clear Eyes Full 37 Coonazur's Pump 98 -0.1
Original Gangstas 104 Obsession by Ke 97 +0.1
Busty Boob Gobl 59 Team Hewerdine 84 -0.1
Team Richards 109 Easy Breesy Lem 73 +0.1
If winner is:HomeAway
Week of 11/24100.0*Chance in playoffs100.0*Average seed
Dr. Wiggles' We vs Original Gangstas-0.1+0.3
Easy Breesy Lem vs Obsession by Ke-0.1+0.2

What If

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

If finish:Chance inChance will finish regular season at seed
Games Above .500
Chance Will Make Playoffs