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
Star Screamers 75.9 Head Strong 101 +10.9
+0.3
Vizag Steelers 35.96 FatBob 77.78 -6.7
-0.4
Twilight Sparkle 82.8 Andhra Loyals 108.54 +3.1
+0.1
Thoroughbred 94.8 Gym Class Heros 78.88 -1.4
-0.1
3rd Degree Burn 56.4 Gladiators 83.32 +0.2
Steagles 100.06 Crushers 115.12 +0.1
If winner is:HomeAway
Week of 10/26100.0*Chance in playoffs100.0*Average seed
Crushers vs Vizag Steelers-7.0+16.2
-0.4+0.9
Gym Class Heros vs Star Screamers+9.0-9.0
+0.2-0.2
FatBob vs Twilight Sparkle+1.3-3.2
+0.1-0.2
Gladiators vs Steagles+0.1-0.4
Thoroughbred vs Andhra Loyals-0.1+0.2

What If

Chances based on how well the Vizag Steelers finish out the regular season.   Explain

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
96-0In1454680204,582
85-199.7%015185593001,478,009
74-292.7214883452004,298,868
63-363.3001504842012106,300,454
52-423.8020220104222104,852,195
41-53.403018532331,855,296
30-6Out214731276,404
Total:56.4%0222032931016113119,265,808
Games Above .500
Chance Will Make Playoffs