How are these numbers calculated?

Big Games

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

Week of 11/17100.0*Chance in playoffs100.0*Average seed
sco 129.5 con 127.5 -3.6
-0.6
wel 61 she 80.5 +0.7
+0.1
mcn 118 war 81 -0.6
+0.1
arn 58 thi 86.5 +0.6
-0.1
pin 126.5 tot 101 -0.3
-0.1
dav 105 tai 67.5 -0.2
+0.1
If winner is:HomeAway
Week of 11/24100.0*Chance in playoffs100.0*Average seed
arn vs con-4.9+4.9
-0.7+0.7
dav vs thi-1.4+1.4
pin vs tai+1.1-1.1
mcn vs she-1.0+1.0
-0.1+0.1
wel vs tot-1.0+1.0
-0.1+0.1
sco vs war-0.4+0.4
+0.1-0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-Lplayoffs123456789101112Count
01-299.6%22048255005,391,168
2-1In44046905,381,620
0-360.2321352810201,799,529
3-0In395281,799,179
Total:94.9%6222622126410014,371,496
Points
Chance Will Make Playoffs