How are these numbers calculated?

Big Games

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

Week of 5/26100.0*Chance in playoffs100.0*Average seed
McKee 408 Lawson 504 -6.3
-0.4
Germani 557 Stumpf 636 -0.9
Puleio 627 Lindsley 551 +0.9
Stephens 475 Kachmar 458 -0.4
-0.0
Lehman 605 Saxman 603 -0.1
If winner is:HomeAway
Week of 6/2100.0*Chance in playoffs100.0*Average seed
Stumpf vs McKee-2.3+4.0
-0.3+0.5
Kachmar vs Germani+0.7-0.2
Lawson vs Saxman-0.3+0.2
Lindsley vs Lehman-0.2+0.3

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910Count
1613-0In9646,953
1512-1In5740309,159
1411-2100.0%1853263073,529
1310-395.6120462840355,886
129-455.3011341368001,156,359
118-57.8007334215102,670,896
107-60.2005274621104,523,411
96-70.000428511705,671,547
85-8Out005435015,267,114
74-9Out00187853,568,909
63-10Out0378191,716,234
52-11Out05445555,153
41-12Out02377106,822
30-13Out29815,848
Total:5.0%0113610172731325,697,820
Games Above .500
Chance Will Make Playoffs