How are these numbers calculated?

Big Games

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

Week of 11/20100.0*Chance in playoffs100.0*Average seed
Craig 85.58 Ross 81.08 -0.2
-0.6
Scott 86.5 Andrew 133.04 -0.0
Ben 96.62 Gavin 121.6 -0.1
If winner is:HomeTieAway
Week of 11/27100.0*Chance in playoffs100.0*Average seed
Will vs Andrew-0.2InIn
Ben vs Ross-0.1InIn
-0.3+0.1+0.3
Craig vs ScottInIn-0.0
+0.1+0.1-0.0
Jordan vs Gavin-0.1+0.1+0.1

What If

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

100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs12345678Count
82-0-0In05266933,787,030
7.51-0-1In991124,767
71-1-0In1841557,257,497
0-0-2In38512107
6.50-1-1In7822100,193
60-2-099.7%295021021,903,414
Total:99.9%018691740113,173,008
Games Above .500
Chance Will Make Playoffs