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 -22.8
-0.8
Chisnall 7 Lewis 3 +5.5
+0.2
Chisnall 7 Taylor 2 +5.3
+0.2
van Gerwen 7 van Barneveld 2 +3.8
+0.1
Wright 7 Wade 3 -2.2
-0.1
If winner is:HomeDrawAway
Week of 4/27100.0*Chance in playoffs100.0*Average seed
Anderson vs van Barneveld+30.7+1.8-31.6
+0.9+0.1-0.9
Lewis vs van Gerwen-6.8-1.4+3.3
-0.2-0.1+0.1
Wade vs Lewis+5.3+1.6-3.8
+0.1+0.1-0.1
Taylor vs Wright-4.8-1.2+4.2
-0.1-0.0+0.1
Chisnall vs van Gerwen-3.4-0.3+1.2
-0.2-0.0+0.1

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-D-Lplayoffs12345678910EliminatedCount
203-0-0In139582No1,515,388,789
192-1-099.9%015711400No2,643,581,551
182-0-191.814744800No6,058,969,706
1-2-093.41484460No1,459,295,874
171-1-159.0014453470No6,394,094,713
0-3-064.8016483140No257,167,032
161-0-215.8115453540No6,737,474,280
0-2-114.9114473530No1,628,737,780
150-1-20.6011856240No3,321,765,279
140-0-3Out1305811No2,193,954,876
Total:50.8%032325231871No32,210,429,880
Games Above .500
Chance Will Make Playoffs