How are these numbers calculated?

Big Games

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

Week of 10/7100.0*Chance in playoffs100.0*Average seed
Ben 10 Luke 7 +0.0
If winner is:HomeAway
Brian vs Hoss+7.7-3.4
+0.8-0.3
Harm vs Josh-0.6+0.4
Brad vs RJ+0.4-0.2
Maury vs CL+0.1-0.0
-0.1+0.0
If winner is:HomeAway
Week of 10/14100.0*Chance in playoffs100.0*Average seed
Brad vs Brian-4.9+3.2
-0.7+0.5
Vern vs Luke-0.5+1.0
Harm vs RJ-0.5+0.7
CL vs Dumas-0.3+0.2
Ben vs Hoss+0.2-0.2
Maury vs Josh+0.1-0.0
-0.1+0.0

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
1110-0In881102,658
109-1In244924408,109
98-2100.0%1143834111067,778
87-394.6005244025500323,607
76-450.00011237371210992,426
65-55.90062943193002,031,376
54-60.103224426502,807,499
43-7Out0217443252,577,496
32-8Out011650331,510,381
21-9Out012474506,559
10-10Out39776,327
Total:9.2%00012510151920171010,904,216
Games Above .500
Chance Will Make Playoffs