How are these numbers calculated?

Big Games

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

Week of 6/3100.0*Chance in playoffs100.0*Average seed
Leiden 476.3 FootyGooders 493.87 -3.3
-1.0
TFOF 398.2 Votto-man 429.87 +0.2
If winner is:HomeAway
Week of 6/10100.0*Chance in playoffs100.0*Average seed
Leiden vs LaughingMen+2.4-2.4
+0.9-0.9
Uncle vs Votto-man-0.2+0.2
Balrogs vs Jaysfan-0.1+0.1
+0.1-0.1
Rhinos vs HastaBautista+0.1-0.1
TFOF vs Nadia+0.1-0.1
Goldeyes vs Dexfarkin-0.1+0.1
+0.1-0.1
FootyGooders vs Pikachu+0.1-0.1
-0.1+0.1

What If

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

100100100100100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs1234567891011121314151617181920Count
1513-0In56263141685
1412-1In1024174359104,317
1311-298.9%03111122281751026,416
1210-365.90162102126211030095,611
119-46.6010015132226209200239,501
108-50.00000151424271982000430,907
97-60.00000292029251230577,250
86-7Out000292334257575,595
75-8Out0004184236430,688
64-9Out0032572240,837
53-10Out0089296,065
42-11Out019925,855
31-12Out01004,252
20-13Out100670
Total:4.0%0000011122345689111315182,748,649
Games Above .500
Chance Will Make Playoffs