How are these numbers calculated?

Big Games

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

Week of 11/16100.0*Chance in playoffs100.0*Average seed
Craig 49.98 Emily 73.1 -19.9
-0.9
Scott 62.28 Steve 77.56 +3.6
+0.1
Megan 89.82 Gavin 150.04 +3.3
+0.1
Ross 153.02 Randy 99.22 -2.6
-0.1
Ben 117.1 Hutton 76.02 -0.2
If winner is:HomeTieAway
Week of 11/23100.0*Chance in playoffs100.0*Average seed
Steve vs Craig-17.7+17.2+30.6
-0.5+0.4+0.8
Ben vs Megan+8.0+1.2-16.7
+0.1-0.0-0.2
Hutton vs Scott+3.8+3.3-6.7
+0.1+0.1-0.2
Emily vs Randy+0.5-1.7-0.6
Gavin vs Ross+0.7-0.8-1.0
+0.0-0.0-0.1

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs12345678910Count
62-0-099.3%011026441811,177,465,824
5.51-0-198.408563426,624,175
51-1-060.7111493544,269,241,186
0-0-268.3218492939,310
4.50-1-140.94152712,017,269
40-2-07.4746463,870,910,916
Total:43.5%0014112836219,336,268,680
Games Above .500
Chance Will Make Playoffs