How are these numbers calculated?

Big Games

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

Week of 11/16100.0*Chance in playoffs100.0*Average seed
Star Screamers 116.34 Crushers 108.06 +3.8
+0.7
Twilight Sparkle 82.62 Head Strong 76.74 -0.3
+0.1
3rd Degree Burn 128.6 FatBob 67.82 +0.3
-0.1
Vizag Steelers 50.14 Gym Class Heros 72.4 -0.2
Steagles 80.6 Andhra Loyals 66.68 +0.2
If winner is:HomeAway
Week of 11/23100.0*Chance in playoffs100.0*Average seed
Thoroughbred vs Star ScreamersOut+9.9
-0.3+0.7
Gladiators vs Head Strong-1.9+3.5
+0.1-0.2
Gym Class Heros vs Crushers-1.7+0.9
Twilight Sparkle vs 3rd Degree Burn-0.6+1.7
Andhra Loyals vs FatBob+0.4-0.3
Vizag Steelers vs Steagles+0.1-0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
72-023.8%32153236,296,821
61-1Out8514120,941,141
50-2Out153647211,967,038
Total:3.8%038541915139,205,000
Games Above .500
Chance Will Make Playoffs