How are these numbers calculated?

Big Games

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

Week of 11/19100.0*Chance in playoffs100.0*Average seed
Grogthor 88 birdperson 101 Out
-0.9
PanchoVila491 110 Pomppu 105 +2.9
+0.3
TheGlenlivet15 136 xNotEdgex 111 -0.1
If winner is:HomeAway
Week of 11/26100.0*Chance in playoffs100.0*Average seed
TheGlenlivet15 vs Grogthor-0.1+0.1
birdperson vs Pomppu+0.1-0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
42-0Out58422,573,079
31-1Out4965,135,629
20-2Out1002,572,436
Total:Out178310,281,144
Games Above .500
Chance Will Make Playoffs