How are these numbers calculated?

Big Games

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

Week of 10/6100.0*Chance in playoffs100.0*Average seed
Chickens of the 141.16 Winner Has Arri 97.82 -10.6
-0.9
Crafty Corgis 146.52 Julio Gonna Call 81.9 +1.6
+0.1
Norwegian Elkho 150.92 Wrecking Balls 145.38 +0.2
Team Grumpy 118.88 Shoulda BEN Lynch 97.58 -0.1
If winner is:HomeAway
Week of 10/13100.0*Chance in playoffs100.0*Average seed
Julio Gonna Call vs Winner Has Arri-14.3+14.3
-1.2+1.2
Crafty Corgis vs Norwegian Elkho-4.4+4.4
-0.3+0.3
Team Grumpy vs A pack of pigs-0.1+0.1

What If

Chances based on how well the Winner Has Arri finish out the regular season.   Explain

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
98-0In45487031,717
87-1100.0%7414110100240,094
76-297.2043351462000842,853
65-362.7025604121582001,686,134
54-423.102300520301832,106,701
43-54.140011345371,684,139
32-60.20011782843,168
21-70.000298241,759
10-8Out10031,763
Total:35.1%02525113571217217,708,328
Games Above .500
Chance Will Make Playoffs