How are these numbers calculated?

Big Games

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

Week of 10/24100.0*Chance in playoffs100.0*Average seed
George 89.92 Jay 150.04 +13.3
+1.1
Sean 162.74 Drew 103.9 -1.3
-0.1
Tex 132.06 Jason 93.38 -1.1
Tammy 124.38 Nall 113.36 -1.0
B 122.66 Joe 129 +0.7
Marc 129.54 Rell 121.98 -0.6
Meech 127.62 MO 110.84 -0.3
If winner is:HomeAway
Week of 10/31100.0*Chance in playoffs100.0*Average seed
Jay vs Rell+14.4-14.4
+1.2-1.2
MO vs Sean+0.6-0.6
+0.1-0.1
Tammy vs George-0.5+0.5
Joe vs Drew-0.5+0.5
-0.1+0.1
Nall vs Jason+0.4-0.4
+0.1-0.1
Tex vs Meech+0.3-0.3

What If

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

100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs1234567891011121314Count
106-0In955091,211
95-1In444113200541,657
84-2100.0%21329311861001,353,671
73-392.400151526281871001,804,817
62-425.4001619332912201,356,056
51-50.200423373150539,949
40-6Out01133937991,367
Total:69.2%6789910101010964105,778,728
Games Above .500
Chance Will Make Playoffs