How are these numbers calculated?

Big Games

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

Week of 2/11100.0*Chance in playoffs100.0*Average seed
Trevor 260.85 Ryan 259.1 -0.9
-0.2
Fabian 225.85 Chay 219.2 +0.3
Mason 204.8 Richard 221.2 +0.3
Michael 149.45 Joe 156.05 -0.2
If winner is:HomeTieAway
Week of 2/18100.0*Chance in playoffs100.0*Average seed
Michael vs Ryan-1.1-0.8In
-0.1-0.1+0.1
Travis vs Fabian-0.6+0.6+0.6
Mason vs Joe+0.6+0.6-0.6
Trevor vs Chay+0.5+0.5-0.6
+0.1+0.1-0.1

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-L-Tplayoffs12345678910Count
283-0-0In12882,472,419
272-0-1In100508,642
262-1-0In1007,400,774
1-0-2In93735,014
251-1-1In9281,020,561
0-0-395.1%61345836
241-2-0In9197,404,130
0-1-293.757376035,016
230-2-192.5534070510,360
220-3-091.54943802,470,988
Total:98.9%18891021,858,740
Games Above .500
Chance Will Make Playoffs