How are these numbers calculated?

Big Games

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

If winner is:HomeAway
Week of 9/9100.0*Chance in playoffs100.0*Average seed
Shake and Baker vs Grall So Hard-11.5+11.5
-0.9+0.9
Julie and Julio vs Kelcefied Bone Spurs+1.3-1.3
+0.1-0.1
If winner is:HomeAway
Week of 9/16100.0*Chance in playoffs100.0*Average seed
Grall So Hard vs Kelcefied Bone Spurs+11.5-11.5
+0.9-0.9
Shake and Baker vs Buffalo Bildos-1.2+1.2
-0.1+0.1

What If

Chances based on how well the Grall So Hard finish out the regular season.   Explain

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
1313-0In1005,999
1212-1In1000028,890
1111-2In973000171,141
1010-3In81161020628,492
99-4100.0%41399011001,571,513
88-599.5526298257002,829,693
77-679.30214211528174003,768,939
66-719.50111172231216103,769,026
55-82.102001724362452,824,836
44-90.200021443411,568,560
33-100.00011881626,889
22-11Out0397171,392
11-12Out010028,258
00-13Out1005,916
Total:50.0%88888888888817,999,544
Games Above .500
Chance Will Make Playoffs