How are these numbers calculated?

Big Games

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

Week of 8/17100.0*Chance in playoffs100.0*Average seed
Yumadbro 199 Posey 177 -23.0
-1.3
Kluber 329 Shinebox 202 -2.7
-0.2
Kumquat 224 Batters 283 +2.4
Pretzels 292 Mudflaps 254 +2.1
+0.1
ABB 331 Speed 283 +0.8
If winner is:HomeAway
Week of 8/24100.0*Chance in playoffs100.0*Average seed
Posey vs Kluber+27.6-23.2
+1.3-1.1
Batters vs Biogenesis-5.9+3.5
-0.2+0.1
Shinebox vs Yumadbro+5.5-2.7
+0.3-0.2
Speed vs Pretzels-2.0+2.8
Mudflaps vs ABB-2.7+1.1
-0.3+0.1
Imposibear vs Kumquat+0.5-0.8
+0.1-0.2

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
112-078.7%2914361840013,880,479
101-15.4052644213024,509,779
90-2Out9404379,548,206
Total:25.6%941318251910247,938,464
Games Above .500
Chance Will Make Playoffs