How are these numbers calculated?

Big Games

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

Week of 4/20100.0*Chance in playoffs100.0*Average seed
Taylor 7 Anderson 4 +21.1
+0.8
Chisnall 7 Taylor 2 -20.6
-0.8
Chisnall 7 Lewis 3 +5.5
+0.1
van Gerwen 7 van Barneveld 2 +3.2
+0.1
Wright 7 Wade 3 -1.9
-0.1
If winner is:HomeDrawAway
Week of 4/27100.0*Chance in playoffs100.0*Average seed
Taylor vs Wright+21.6+3.0-17.9
+0.8+0.0-0.6
Lewis vs van Gerwen-8.4-1.9+4.1
-0.2-0.0+0.1
Wade vs Lewis+6.9+1.9-4.9
+0.1+0.0-0.1
Chisnall vs van Gerwen-3.1-0.2+1.1
-0.1-0.0+0.0
Anderson vs van Barneveld-0.4-0.5+0.7

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-D-Lplayoffs12345678910EliminatedCount
213-0-0In77914No1,222,182,214
202-1-0In150482No2,219,467,766
192-0-199.4%016661710No5,241,138,277
1-2-099.5013691810No1,322,049,316
181-1-186.4138471310No6,144,033,435
0-3-085.4036491410No257,160,105
171-0-249.90104039110No7,054,276,867
0-2-147.083941120No1,765,918,568
160-1-29.909394560No3,996,168,617
150-0-30.3001159301No2,988,034,715
Total:62.9%0102825191440No32,210,429,880
Games Above .500
Chance Will Make Playoffs