How are these numbers calculated?

Big Games

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

Week of 11/2100.0*Chance in playoffs100.0*Average seed
Fitz 59 Zach 62 +6.9
+0.3
Babs 110 Daryll 33 +5.6
+0.4
Brandon 60 Bill 63 +1.1
Kyle 45 Josh 53 +0.5
Chris 76 Yarroch 91 -0.4
If winner is:HomeTieAway
Week of 11/9100.0*Chance in playoffs100.0*Average seed
Babs vs Bill+2.3+0.4-2.3
+0.5-0.0-0.5
Daryll vs Fitz+1.8+0.4-1.2
+0.1+0.0-0.0
Zach vs Brandon+0.5+0.4-0.5
Jason vs Chris+0.0-0.1-0.0

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-L-Tplayoffs123456789101112Count
184-0-0In851413,523,894
173-0-1In013861331,008
163-1-0In0672217,616,129
2-0-2In07732111,344
152-1-1In04456519,587
1-0-3In5149170
142-2-098.9%02672001005,657,265
1-1-299.602376000011,870
0-0-4In1001
131-2-193.76880330252,593
0-1-398.67901173
121-3-079.52780711301,754,731
0-2-281.41800710202,803
110-3-149.004952916138,754
100-4-022.322323321820198,850
Total:96.9%11245390011100019,919,072
Games Above .500
Chance Will Make Playoffs