Since 2017-18, Brian Stuard has the most events, with 143 events.

who has the highest percent of top 5 finishes per twenty five event since 2018
Interpreted as:
Who has the highest percent of top 5 finishes per twenty five or more event since 2018?
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StuardHogeSchenkDuncanKimKangGarnettReavieRodgersMalnatiRyderWerenskiStreelmanStallingsKnoxGayTaylorStrebDahmenListHadleyConners143141136134131130127126126125125124123122122122122122122121121121
NAMEEVENTSTOP 10WINSROUNDSMONEY
Brian StuardBrian Stuard143130446$5,413,015
Tom HogeTom Hoge141121424$8,960,503
Adam SchenkAdam Schenk13680420$4,236,553
Tyler DuncanTyler Duncan13441403$4,372,241
Si Woo KimSi Woo Kim131171418$10,328,339
Sung KangSung Kang13081391$6,349,186
Brice GarnettBrice Garnett12781388$4,355,870
Chez ReavieChez Reavie126131399$9,303,557
Patrick RodgersPatrick Rodgers12690403$5,232,325
Peter MalnatiPeter Malnati12550375$4,011,322
Sam RyderSam Ryder125140373$4,955,219
Richy WerenskiRichy Werenski12481377$4,998,652
Kevin StreelmanKevin Streelman123180402$8,591,510
Scott StallingsScott Stallings122100376$4,925,397
Russell KnoxRussell Knox12290385$5,562,200
Brian GayBrian Gay122111367$5,004,024
Nick TaylorNick Taylor12261397$5,126,916
Robert StrebRobert Streb12281341$4,264,186
Joel DahmenJoel Dahmen122151402$8,166,695
Luke ListLuke List121181365$8,485,255
Chesson HadleyChesson Hadley121110360$5,759,290
Corey ConnersCorey Conners121161405$11,556,128
Denny McCarthyDenny McCarthy121120390$5,107,078
J.T. PostonJ.T. Poston121101374$6,899,773
Beau HosslerBeau Hossler12090390$5,729,899
StatMuse has season-level data for events played going back to the 1979-80 season.