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
Colon 112.88 Darth 113.5 +19.4
+1.0
Big 98.82 Free 102.2 -4.8
-0.1
Fluff 86.78 GTR 94.82 -1.1
Fist 167.96 Moff 123.84 -1.0
NoSleep 106.38 Topper 147.62 +0.4
Pol 79.34 Lockett 80.26 -0.3
-0.1
Week of 12/8100.0*Chance in playoffs100.0*Average seed
Fist 82 Darth 111.7 +20.3
+0.7
NoSleep 143.36 Free 163.42 -9.6
-0.1
Colon 95.88 Topper 113.06 -5.8
-0.2
Moff 104.86 GTR 139.42 -4.1
-0.1
Big 85.3 Lockett 102.2 -0.2
Pol 106.98 Fluff 165.3 -0.1
If winner is:HomeAway
Week of 12/15100.0*Chance in playoffs100.0*Average seed
Darth vs GTR+36.9-36.9
+0.9-0.9
Colon vs Free+13.1-13.1
+0.2-0.2
Fist vs Topper+5.8-5.8
+0.1-0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
91-091.4%2164429912,857,877
80-117.618513212,860,067
Total:54.5%182223301625,717,944
Games Above .500
Chance Will Make Playoffs