How are these numbers calculated?

Big Games

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

Week of 9/10100.0*Chance in playoffs100.0*Average seed
Joe 78.04 Bill 68.84 +10.7
+0.9
Jason 134.24 Justin 80.94 +0.1
If winner is:HomeAway
Week of 9/17100.0*Chance in playoffs100.0*Average seed
Jason vs Joe-8.9+8.9
-0.8+0.8
Garrett vs Bill-0.1+0.1
Amber vs Mark-0.1+0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
1312-0In10015,636
1211-1In991123,676
1110-2In9270557,368
109-3In67304001,519,062
98-4In2444266002,780,414
87-599.9%2143333153003,607,930
76-683.0004163231143003,398,767
65-717.5003143032164002,342,188
54-80.20031532331521,172,352
43-9Out005244426415,142
32-10Out03277098,784
21-11Out059514,223
10-12Out01004,282
Total:73.7%1514131211986542116,049,824
Games Above .500
Chance Will Make Playoffs