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 +6.7
+0.3
Jeb 184.1 Harry 201.2 -5.6
-0.2
Ross 184.3 Jason 96.4 +3.0
Matt 188.2 Luke 161.3 +0.5
+0.1
Josh 208.8 Joe 148.6 +0.5
Week of 4/5100.0*Chance in playoffs100.0*Average seed
Ross 226.7 Ken 218.4 -13.3
-0.9
Jason 159.3 Jon 181.8 +3.6
+0.0
Harry 229.4 Luke 200.6 -1.3
Robby 170.5 Josh 198.5 +0.5
Matt 203.7 Joe 187.5 -0.1
If winner is:HomeAway
Week of 4/12100.0*Chance in playoffs100.0*Average seed
Jason vs Ken-35.4In
-0.7+0.6
Mike vs Luke+22.4-11.8
+0.4-0.2
Josh vs Jon+8.6-3.5
+0.2-0.1
Harry vs Joe+2.9-5.3
-0.1+0.2

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
71-0In366432,385,117
60-138.2%2362931124,186,283
Total:73.6%21521313156,571,400
Games Above .500
Chance Will Make Playoffs