How are these numbers calculated?

Big Games

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

Week of 2/14100.0*Chance in playoffs100.0*Average seed
Suljovic 3 van Gerwen 7 +1.2
+0.7
Gurney 7 Durrant [c] 3 -0.3
-0.1
van Barneveld 6 Price 6 -0.1
Wright 6 Smith 6 -0.1
Cross 7 Wade 4 -0.1
If winner is:HomeDrawAway
Week of 2/21100.0*Chance in playoffs100.0*Average seed
van Gerwen vs Cross+0.2+0.1-0.3
+0.5-0.0-0.7
Lennon [c] vs Wright+0.1+0.0-0.1

What If

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

100100100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-D-Lplayoffs123456789101112131415161718Count
17-18In100806,087,402*
166-0-1In991844,776,465
5-2-0In1000687,055,717
155-1-1In95501,972,194,697
4-3-0In9730445,861,727
144-2-1In8317001,916,882,105
5-0-2In8019101,411,516,370
3-4-0In861400173,479,187
134-1-2In56396002,739,799,402
3-3-1In5937500992,832,694
2-5-0In623540040,460,415
123-2-2In2549233002,125,479,322
4-0-3In2448253001,301,686,211
2-4-1In274922300289,020,698
1-6-0In2849202005,240,738
113-1-3In52843213002,016,529,093
2-3-2In5294320300823,711,338
1-5-1In530431920044,839,515
0-7-0In531441820290,219
102-2-3In052642234001,170,600,000
3-0-4In05264123400715,575,517
1-4-2In05264222400159,484,921
0-6-1In052743223002,896,853
92-1-4100.0%003214128600829,429,082
1-3-3100.0003214128600301,689,068
0-5-2100.000320422860012,340,193
81-2-499.600217413280320,208,967
2-0-599.600218413180234,464,794
0-4-399.60021641338029,145,967
71-1-593.70021643336180,741,862
0-3-493.4001154235741,173,121
61-0-673.600222502642,389,828
0-2-572.300220502834,809,725
50-1-643.1005385716,300,391
40-0-716.10016846,403,320
Total:99.8%47221385321022,735,396,924

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs