How are these numbers calculated?

Big Games

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

Week of 11/19100.0*Chance in playoffs100.0*Average seed
Amber Llamas 104.5 Shake N Bake 75.96 -12.5
Sprysations 109.7 DownWithOPC 72.46 -5.7
Real McCoys 116.66 Ballz Deep 68.82 -0.4
MegsGMen 104.26 NE Pistol Offense 127.5 -0.1
Week of 11/26100.0*Chance in playoffs100.0*Average seed
Real McCoys 116.4 Shake N Bake 117.08 +0.8
Ballz Deep 78.78 NE Pistol Offense 82.2 -0.3
If winner is:HomeAway
Week of 12/3100.0*Chance in playoffs100.0*Average seed
Ballz Deep vs Shake N BakeOut+16.2
Amber Llamas vs SprysationsOut+9.3
DownWithOPC vs NE Pistol Offense+2.1-0.9
Real McCoys vs BLOOD N' GUTS-0.3+0.1

What If

Chances based on how well the Shake N Bake finish out the regular season.   Explain

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