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
Robbie 84.06 James D 96.9 +5.3
+0.6
Paul 68.38 James B 95.44 +4.8
+0.1
Rob 91.22 Marc 101.8 -3.6
-0.2
Ben 120.78 Nicholas 79.88 +1.0
+0.1
Emerson 118.38 Dom 125.92 +0.1
+0.1
If winner is:HomeTieAway
Week of 11/25100.0*Chance in playoffs100.0*Average seed
James B vs James D-11.7-5.7+8.5
-1.0+0.2+0.7
Paul vs Marc+6.3+9.7-4.9
-0.1+0.0+0.1
Rob vs Nicholas+1.1+0.4-3.8
+0.1-0.1-0.3
Emerson vs Nick-0.2+0.0+0.0

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs123456789101112Count
62-0-050.9%5146313,401,267
5.51-0-110.110731701,115,273
51-1-00.812954151027,855,234
0-0-2Out16632122,442
4.50-1-1Out05539601,101,012
40-2-0Out5255217013,076,172
Total:12.7%13273014134056,571,400
Games Above .500
Chance Will Make Playoffs