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
ABB 331 Speed 283 -12.6
-0.6
Pretzels 292 Mudflaps 254 +3.3
+0.1
Kluber 329 Shinebox 202 -1.4
Kumquat 224 Batters 283 -0.6
-0.1
Yumadbro 199 Posey 177 -0.1
If winner is:HomeAway
Week of 8/24100.0*Chance in playoffs100.0*Average seed
Speed vs Pretzels+20.9-20.9
+0.7-0.7
Batters vs Biogenesis-3.5+3.5
-0.2+0.2
Mudflaps vs ABB-3.2+3.2
-0.1+0.1
Shinebox vs Yumadbro+2.6-2.6
+0.1-0.1
Imposibear vs Kumquat+1.0-1.0
Posey vs Kluber-0.1+0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
122-0In227713,998,515
111-194.2%623251007,985,875
100-213.2212303518403,995,098
Total:75.4%6511910941015,979,488
Games Above .500
Chance Will Make Playoffs