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 +8.9
+0.4
Germani 557 Stumpf 636 -1.6
Puleio 627 Lindsley 551 +1.3
Stephens 475 Kachmar 458 -0.8
-0.0
If winner is:HomeAway
Week of 6/2100.0*Chance in playoffs100.0*Average seed
Lawson vs Saxman+9.2-7.0
+0.5-0.4
Kachmar vs Germani+1.9-0.6
+0.1-0.0
Lindsley vs Lehman-0.9+1.2
Stumpf vs McKee-0.5+0.9
-0.0+0.1
Stephens vs Puleio-0.1+0.1

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910Count
1813-0In10020,170
1712-1In982146,698
1611-2In88120700,868
1510-3In6137302,032,465
149-4100.0%255519103,965,127
138-599.14344515105,502,855
127-684.206334515105,575,089
116-735.70053144182004,177,866
105-83.3003244524302,311,768
94-90.00219462940934,385
83-10Out011952280266,733
72-11Out022963651,263
61-12Out565305,840
50-13Out17836,693
Total:72.3%13202118138421025,697,820
Games Above .500
Chance Will Make Playoffs