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
Twilight Sparkle 82.62 Head Strong 76.74 +12.3
+0.5
Thoroughbred 107.52 Gladiators 78.88 +1.4
+0.1
Star Screamers 116.34 Crushers 108.06 -1.2
Steagles 80.6 Andhra Loyals 66.68 +1.1
+0.2
Vizag Steelers 50.14 Gym Class Heros 72.4 -0.9
3rd Degree Burn 128.6 FatBob 67.82 -0.5
If winner is:HomeAway
Week of 11/23100.0*Chance in playoffs100.0*Average seed
Twilight Sparkle vs 3rd Degree Burn+5.2-13.6
+0.3-0.9
Andhra Loyals vs FatBob-3.7+2.7
-0.2+0.1
Gladiators vs Head Strong-1.8+3.3
-0.1+0.2
Gym Class Heros vs Crushers-2.6+1.3
-0.1+0.1
Thoroughbred vs Star Screamers+0.2-0.6
Vizag Steelers vs Steagles-0.2+0.1

What If

Chances based on how well the Twilight Sparkle finish out the regular season.   Explain

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
82-0In11761320,446,535
71-193.5%1657216015,725,284
60-242.67364993,033,181
Total:93.0%64630116139,205,000
Games Above .500
Chance Will Make Playoffs