How are these numbers calculated?

Big Games

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

Week of 4/27100.0*Chance in playoffs100.0*Average seed
Anderson 7 van Barneveld 4 +29.1
+1.0
Lewis 0 van Gerwen 7 +4.6
+0.2
Wade 7 Lewis 4 +4.3
+0.1
Taylor 3 Wright 7 +3.7
+0.1
Chisnall 6 van Gerwen 6 +0.7
+0.0
If winner is:HomeDrawAway
Week of 5/4100.0*Chance in playoffs100.0*Average seed
Wade vs Anderson-16.5+7.6+12.7
-0.6+0.1+0.5
van Gerwen vs Taylor+3.7+0.2-3.9
+0.2+0.0-0.2
van Barneveld vs Chisnall-2.7+2.4+1.5
-0.1+0.1+0.0
Wright vs Lewis+1.7+0.8-2.1

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
202-0-0In3169No68,414,689
191-1-0In15823No68,269,288
181-0-198.6%76231No136,632,843
0-2-099.178211No17,058,300
170-1-186.44046130No68,274,585
160-0-233.952945182No68,414,975
Total:86.7%759211030No427,064,680
Games Above .500
Chance Will Make Playoffs