How are these numbers calculated? (show)

Points Above 12th  (Full Screen)
Chance Will Win Championship  (Full Screen)
RaceFinishStartLapsLeadPointsBonusPenaltyTotalPurse
Daytona 50085152151425147$431,371
Auto Club 50081125031425147139,748
Shelby 42726102838585100,173
Kobalt Tools 50081133014214296,048
Food City 5001715502112112101,648
Goody’s Fast Relief 50037500165165119,273
Samsung 50047334161605165219,146
Subway Fresh Fit 50026312191705175183,223
Aaron’s 49923291889494101,198
Crown Royal Presents Richmond 400216400170170172,773
Southern 50031836711655170171,696
Coca-Cola 6001928227106106109,973
Dover 40023140061705175215,398
Pocono 50011200391855190238,798
LifeLock 400711200146146109,923
Toyota/Save Mart 35024113111705175211,096
Lenox Industrial Tools 30151273401555160134,548
Coke Zero 400111608618510195349,873
LifeLock.com 40043226711605165165,373
Allstate 400 at the Brickyard3716021655170314,573
Pennsylvania 500101200134134105,673
NASCAR Sprint Cup Series at the Glen113903418510195234,648
Michigan 40017182002112511797,698
Sharpie 50033304896464101,718
Pep Boys Auto 5001112325130130118,823
Chevy Rock and Roll 400172940011211293,473
Sylvania 300142300521215126100,973
Dover 400 Number 2922400138138111,423
Kansas 40015267371855190332,498
Pepsi 50052025061555160143,248
Bank of America 500135334124124100,373
Tums Fast Relief 50091350113813899,923
Amp Energy 50035418315856385,648
Dickies 50064334150150181,098
Checker O'Reilly Auto Parts 500258310888886,423
Ford 40022526743975102
10,4684144,980+105-0=5,085$5,679,492