How are these numbers calculated?

Big Games

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

Week of 11/24100.0*Chance in playoffs100.0*Average seed
Maria 62.74 Craig 114.58 +21.6
+0.8
Rob 122.42 Michael 77.82 -5.4
-0.1
Kevin V 82 Matt 97.76 -3.7
-0.1
Justin 119.34 Joe 87.48 +0.3
+0.1
Laurel 72.74 Nick 113.7 -0.3
-0.1
Week of 12/1100.0*Chance in playoffs100.0*Average seed
Joe 139.86 Craig 94.58 -16.0
-0.5
Rob 66.28 Kevin D 83.8 +9.3
+0.1
Nick 73.58 Matt 115.2 -4.0
-0.1
Maria 88.22 Ross 108.72 +2.8
+0.1
If winner is:HomeAway
Week of 12/8100.0*Chance in playoffs100.0*Average seed
Rob vs CraigOutIn
-0.7+0.7
Maria vs Iris-0.2+0.2

What If

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

100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs1234567891011121314Count
91-0In10010,286,275
80-1Out683210,286,065
Total:50.0%50341620,572,340
Games Above .500
Chance Will Make Playoffs