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 +16.1
+1.3
PanchoVila491 110 Pomppu 105 +8.3
+0.6
If winner is:HomeAway
Week of 11/26100.0*Chance in playoffs100.0*Average seed
birdperson vs PomppuIn-19.3
+1.3-1.3

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
62-0In1007,747,029
51-187.3%87139015,736,528
40-248.649518,003,067
Total:80.6%810241331,486,624
Games Above .500
Chance Will Make Playoffs