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
B 122.66 Joe 129 -13.9
-1.2
George 89.92 Jay 150.04 -1.3
-0.1
Sean 162.74 Drew 103.9 -1.2
-0.1
Tex 132.06 Jason 93.38 -1.2
-0.1
Tammy 124.38 Nall 113.36 -0.9
-0.1
Marc 129.54 Rell 121.98 -0.5
If winner is:HomeAway
Week of 10/31100.0*Chance in playoffs100.0*Average seed
Marc vs B-14.9+14.9
-1.1+1.1
Tammy vs George-1.1+1.1
-0.1+0.1
MO vs Sean+0.7-0.7
Nall vs Jason+0.4-0.4
Joe vs Drew-0.4+0.4
Jay vs Rell+0.1-0.1

What If

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

100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs1234567891011121314Count
96-0In28422361091,495
85-1100.0%0521332612300541,039
74-283.100017202925133001,354,304
63-312.1002102835204001,806,968
52-40.00011233391411,353,411
41-5Out004225322540,746
30-6Out0237790,765
Total:34.2%0123468912151413935,778,728
Games Above .500
Chance Will Make Playoffs