How are these numbers calculated?

Big Games

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

Week of 11/18100.0*Chance in playoffs100.0*Average seed
Paul 68.38 James B 95.44 +0.7
+0.7
Ben 120.78 Nicholas 79.88 +0.5
+0.1
Rob 91.22 Marc 101.8 -0.5
-0.1
Emerson 118.38 Dom 125.92 +0.1
+0.1
Robbie 84.06 James D 96.9 +0.0
If winner is:HomeTieAway
Week of 11/25100.0*Chance in playoffs100.0*Average seed
Paul vs Marc+0.9OutOut
-0.1-0.2+0.1
Rob vs Nicholas+0.9OutOut
+0.2-0.1-0.2
James B vs James D+0.9OutOut
+1.1-0.4-1.0
Emerson vs Nick-0.1+0.1+0.1
-0.2+0.0+0.2
Robbie vs Dom-0.1+0.1+0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs123456789101112Count
52-0-03.6%4454110104,012,728
4.51-0-1Out01943326326,765
41-1-0Out425412648,025,337
0-0-2Out2062186,729
3.50-1-1Out196319326,648
30-2-0Out746474,014,929
Total:0.9%111121523251416,713,136
Games Above .500
Chance Will Make Playoffs