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
Rob 122.42 Michael 77.82 +17.6
+0.6
Kevin V 82 Matt 97.76 -4.3
-0.1
Maria 62.74 Craig 114.58 +0.6
Justin 119.34 Joe 87.48 +0.5
Laurel 72.74 Nick 113.7 -0.4
Week of 12/1100.0*Chance in playoffs100.0*Average seed
Rob 66.28 Kevin D 83.8 -15.9
-0.5
Joe 139.86 Craig 94.58 +9.4
+0.1
Nick 73.58 Matt 115.2 -3.6
-0.1
Maria 88.22 Ross 108.72 +2.4
+0.1
Kevin V 92.4 Iris 42.36 -0.1
If winner is:HomeAway
Week of 12/8100.0*Chance in playoffs100.0*Average seed
Rob vs CraigInOut
+0.6-0.6
Maria vs Iris-0.1+0.1

What If

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

100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs1234567891011121314Count
91-0In10010,286,065
80-1Out792110,286,275
Total:50.0%50391120,572,340
Games Above .500
Chance Will Make Playoffs