How are these numbers calculated?

Big Games

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

Week of 3/21100.0*Chance in playoffs100.0*Average seed
Eli 22 Ant 39 +18.6
+0.6
Ariel 27 Dave 31 -4.0
-0.1
Steve 14 ME 49 -2.6
-0.1
Katz 45 Euge 14 -0.9
If winner is:HomeTieAway
Week of 3/27100.0*Chance in playoffs100.0*Average seed
Ariel vs Ant-16.6-5.6+10.9
-0.7-0.3+0.4
Katz vs Dave+3.6+7.0-3.3
+0.1+0.2-0.1
Eli vs ME+2.2-4.8-1.8
+0.1-0.1-0.1
Steve vs Euge+2.7-0.9-1.1
+0.2-0.1-0.1

What If

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

100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-L-Tplayoffs12345678Count
333-0-0In78224,756,387
322-0-1In3565251,218
312-1-099.2%22631419,641,567
1-0-298.921591914,399
301-1-181.213743181334,548
0-0-3In8504224
291-2-054.4094542406,249,361
0-1-247.454248502,921
280-2-122.212244294106,888
270-3-01.412949211,298,712
Total:80.8%263519144122,646,025
Games Above .500
Chance Will Make Playoffs