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 -23.4
-0.8
Rob 122.42 Michael 77.82 -5.9
-0.2
Kevin V 82 Matt 97.76 -4.4
-0.1
Justin 119.34 Joe 87.48 +0.3
+0.1
Laurel 72.74 Nick 113.7 -0.3
-0.1
Ross 105.76 Iris 66.5 -0.1
Week of 12/1100.0*Chance in playoffs100.0*Average seed
Maria 88.22 Ross 108.72 Out
-0.6
Rob 66.28 Kevin D 83.8 +2.9
+0.1
Joe 139.86 Craig 94.58 +2.9
+0.1
Nick 73.58 Matt 115.2 -2.6
+0.1
Justin 100.44 Michael 113.84 +0.1
If winner is:HomeAway
Week of 12/8100.0*Chance in playoffs100.0*Average seed
Maria vs Iris+0.7-0.7
Joe vs Randi-0.2+0.2
Kevin V vs Nick+0.2-0.2
Rob vs Craig+0.1-0.1

What If

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

100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs1234567891011121314Count
81-0Out544610,283,329
70-1Out30492110,289,011
Total:Out2738241120,572,340
Games Above .500
Chance Will Make Playoffs