How are these numbers calculated?

Big Games

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

Week of 9/10100.0*Chance in playoffs100.0*Average seed
Mark 113.28 Harry 80.8 +10.7
+0.9
Josh 94.4 Amber 93.02 -0.1
If winner is:HomeAway
Week of 9/17100.0*Chance in playoffs100.0*Average seed
Amber vs Mark-10.7+10.7
-0.9+0.9
Tom vs Harry-0.1+0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
1312-0In1002,455
1211-1In100016,163
1110-2In964087,842
109-3In801910293,101
98-4In394415200659,809
87-599.9%523362691001,053,916
76-684.20161931281330001,231,170
65-714.2002122632217101,053,756
54-80.000182437256658,795
43-9Out002134243293,177
32-10Out01168388,264
21-11Out29816,198
10-12Out1002,498
Total:60.5%12111010998876655,457,144
Games Above .500
Chance Will Make Playoffs