How are these numbers calculated?

Big Games

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

Week of 11/6100.0*Chance in playoffs100.0*Average seed
amprosk 154.52 JDC4654 127.3 -6.9
-0.7
orbitmint 119.46 Penn6045 127.7 -2.0
-0.1
SnowPig87 152.4 Stewmander 125.26 +1.7
+0.1
PanchoVila491 120 Grogthor 86.26 -0.2
TheGlenlivet15 125.94 birdperson 81.54 -0.1
If winner is:HomeAway
Week of 11/13100.0*Chance in playoffs100.0*Average seed
JDC4654 vs birdperson+10.7-10.7
+0.8-0.8
Penn6045 vs Grogthor-4.3+4.3
-0.1+0.1
Stewmander vs Monk_vas_Funk-2.6+2.6
-0.1+0.1
TheGlenlivet15 vs orbitmint-0.6+0.6
-0.1+0.1
TubaDeus vs amprosk-0.4+0.4
PanchoVila491 vs SnowPig87+0.1-0.1
-0.1+0.1

What If

Chances based on how well the JDC4654 finish out the regular season.   Explain

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
94-0In975151402,861
83-1In13447191,605,650
72-295.1%32461254002,406,106
61-338.713503192912201,604,399
50-4Out0113741110402,928
Total:76.6%1142236136853106,421,944
Games Above .500
Chance Will Make Playoffs