How are these numbers calculated?

Big Games

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

Week of 12/1100.0*Chance in playoffs100.0*Average seed
Fluff 86.78 GTR 94.82 +15.5
+0.7
Colon 112.88 Darth 113.5 -3.6
-0.1
Big 98.82 Free 102.2 -3.4
-0.1
Fist 167.96 Moff 123.84 -0.7
-0.1
NoSleep 106.38 Topper 147.62 +0.1
Week of 12/8100.0*Chance in playoffs100.0*Average seed
Moff 104.86 GTR 139.42 +12.7
+0.5
NoSleep 143.36 Free 163.42 -5.5
-0.1
Colon 95.88 Topper 113.06 -2.6
-0.1
Fist 82 Darth 111.7 -2.6
Pol 106.98 Fluff 165.3 +0.1
If winner is:HomeAway
Week of 12/15100.0*Chance in playoffs100.0*Average seed
Colon vs FreeIn-11.1
+0.2-0.2
Darth vs GTR-11.1In
-1.0+1.0
Fist vs Topper-0.4+0.4
-0.2+0.2
Pol vs Big-0.1+0.1
-0.3+0.3

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
101-0In33481912,860,067
90-177.8%1623482212,857,877
Total:88.9%172721241125,717,944
Games Above .500
Chance Will Make Playoffs