How are these numbers calculated?

Big Games

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

Week of 3/29100.0*Chance in playoffs100.0*Average seed
Mike 205 Ken 230.9 +14.8
+0.7
Jeb 184.1 Harry 201.2 -3.2
-0.1
Matt 188.2 Luke 161.3 +2.4
+0.1
Josh 208.8 Joe 148.6 +1.6
+0.1
Ross 184.3 Jason 96.4 +1.0
Week of 4/5100.0*Chance in playoffs100.0*Average seed
Ross 226.7 Ken 218.4 -17.4
-1.2
Jason 159.3 Jon 181.8 +7.4
+0.1
Matt 203.7 Joe 187.5 -0.6
Robby 170.5 Josh 198.5 +0.5
Harry 229.4 Luke 200.6 -0.4
If winner is:HomeAway
Week of 4/12100.0*Chance in playoffs100.0*Average seed
Jason vs Ken-25.1In
-0.6+0.6
Mike vs Luke+20.2-20.2
+0.4-0.4
Josh vs Jon+4.6-4.6
+0.1-0.1
Harry vs Joe+4.5-4.5
-0.1+0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
71-0In50509,002,556
60-149.8%842212468,996,988
Total:74.9%29461012317,999,544
Games Above .500
Chance Will Make Playoffs