How are these numbers calculated?

Big Games

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

Week of 10/19100.0*Chance in playoffs100.0*Average seed
Twilight Sparkle 82.8 Andhra Loyals 108.54 -5.3
-0.7
Star Screamers 75.9 Head Strong 101 +3.1
+0.1
Thoroughbred 94.8 Gym Class Heros 78.88 -0.4
-0.1
3rd Degree Burn 56.4 Gladiators 83.32 +0.4
Vizag Steelers 35.96 FatBob 77.78 +0.4
+0.0
If winner is:HomeAway
Week of 10/26100.0*Chance in playoffs100.0*Average seed
FatBob vs Twilight Sparkle-2.0+5.1
-0.3+0.7
Gym Class Heros vs Star Screamers+3.1-3.1
+0.1-0.1
Head Strong vs 3rd Degree Burn+0.6-0.6
Crushers vs Vizag Steelers+0.2-0.4
+0.1-0.2
Thoroughbred vs Andhra Loyals-0.1+0.1
-0.1+0.1
Gladiators vs Steagles+0.0-0.1

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
106-0In582021320,785
95-1100.0%54240130002,083,295
84-299.9017166331005,188,147
73-397.4317151821006,305,876
62-482.300321492114003,971,699
51-545.5040410112417201,240,137
40-69.090747361155,869
Total:91.2%11094921913320019,265,808
Games Above .500
Chance Will Make Playoffs