How are these numbers calculated?

Big Games

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

Week of 1/25100.0*Chance in playoffs100.0*Average seed
Brent 161 Adam 149.5 -2.7
-0.4
Adam 159.5 Jacob 154.5 +1.0
+0.2
David 196 Jacob 182.5 -0.2
Nick 128 Birk 160.5 -0.2
Walsh 150 Nick 168 +0.2
Dosters 102.5 Bill 213 +0.1
Walsh 124.5 Micah 178 -0.1
David 132.5 Brent 126.5 +0.1
Week of 2/1100.0*Chance in playoffs100.0*Average seed
Brent 5 Micah 2 +0.2
-0.1
If winner is:HomeAway
Walsh vs AdamOut+0.1
-0.3+0.3
Brent vs Nick+0.1Out
-0.1+0.1
Dosters vs AdamOut+0.1
-0.2+0.2

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-OTLTplayoffs123456789101112Count
104-0001.1%12157202604,605
93-010Out1648362,407,966
82-020Out117823,613,453
71-030Out01002,407,033
60-040Out100604,871
Total:0.1%01820719,637,928
Points
Chance Will Make Playoffs