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 -0.2
-0.2
Adam 159.5 Jacob 154.5 +0.1
+0.2
David 132.5 Brent 126.5 +0.0
Week of 2/1100.0*Chance in playoffs100.0*Average seed
Brent 5 Micah 2 -0.2
If winner is:HomeAway
Dosters vs AdamOut+0.0
-0.1+0.2
Brent vs Nick+0.0Out
-0.1+0.1
Walsh vs AdamOut+0.0
-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
104-0000.8%11965141427,901
93-010Out3148213,148,435
82-020Out328698,638,563
71-030Out29810,300,910
60-040Out1004,468,399
Total:0.0%006157926,984,208
Points
Chance Will Make Playoffs