How are these numbers calculated?

Big Games

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

Week of 11/9100.0*Chance in playoffs100.0*Average seed
Ere 79.74 Ali 96 +12.3
+0.5
Mitch 69.34 Scully 88.58 +2.6
+0.1
JDL 109.26 JRich 110.92 +1.3
+0.0
Marsh 129.78 Troy 70.26 -0.4
Ollie 125.36 Hacksaw 68.14 +0.4
+0.1
If winner is:HomeAway
Week of 11/16100.0*Chance in playoffs100.0*Average seed
Ali vs Mitch+11.3-15.0
+0.5-0.7
JRich vs Troy-0.8+2.4
-0.0+0.1
Ollie vs JDL+1.4-1.3
+0.1-0.1
Ere vs Hacksaw+1.3-1.0
+0.1-0.1
Marsh vs Scully-1.6+0.6
-0.1+0.0

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-OTLplayoffs12345678910Count
104-00In5954,501,687
93-01100.0%069291011,702,414
82-0290.3012473181010,990,370
71-0322.6041937319104,337,403
60-040.00322412950597,946
Total:84.4%143271485210032,129,820
Points
Chance Will Make Playoffs