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
Vizag Steelers 50.14 Gym Class Heros 72.4 +18.1
+0.9
Thoroughbred 107.52 Gladiators 78.88 +4.7
+0.1
Twilight Sparkle 82.62 Head Strong 76.74 -4.2
-0.1
Steagles 80.6 Andhra Loyals 66.68 +3.1
Star Screamers 116.34 Crushers 108.06 -0.7
-0.1
3rd Degree Burn 128.6 FatBob 67.82 -0.2
If winner is:HomeAway
Week of 11/23100.0*Chance in playoffs100.0*Average seed
Gym Class Heros vs Crushers+15.9-15.9
+0.6-0.6
Gladiators vs Head Strong-6.8+6.8
-0.2+0.2
Andhra Loyals vs FatBob-2.1+2.1
+0.1-0.1
Vizag Steelers vs Steagles+0.7-0.7
+0.1-0.1
Twilight Sparkle vs 3rd Degree Burn-0.7+0.7
-0.2+0.2
Thoroughbred vs Star Screamers+0.5-0.5
+0.1-0.1

What If

Chances based on how well the Gym Class Heros finish out the regular season.   Explain

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
82-0In932411723,049,879
71-189.6%5223429916,104,548
60-215.91647383,056,317
Total:73.8%210212119161012,210,744
Games Above .500
Chance Will Make Playoffs