Filtering and Percentages

[Alta88]

My co-worker and I sample a group of accounts built the previous day. We review 30% of the accounts built by each Sheller (Sheller Name) during the previous day; how do I build a function that will return 30% of the accounts (Trax ID)s built? 

Yesterday	Trax ID	Customer Name	Patner Company	Sheller Name
9/27/2022	69190-336	Ephraim Domsalla	Zoomdog	Loleta Gyppes
9/27/2022	55289-045	Josh Castaignet	Ainyx	Curcio Nibloe
9/27/2022	55154-6285	Zared Bernhardsson	YouTube	Dosi O'Scollain
9/27/2022	59428-135	Benedetta Stone	Browsebug	Curcio Nibloe
9/27/2022	50804-100	Kasper Reddish	YouTube	Langston Tonepohl
9/27/2022	68151-2472	Rickard Boyse	Lazz	Loleta Gyppes
9/27/2022	52544-254	Glenine Chinnery	Photobean	Jakie Rosendahl
9/27/2022	64058-342	Sisile Matuszkiewicz	Plajo	Dosi O'Scollain
9/27/2022	54569-3439	Abbie Viccary	Realblab	Agnola Moulson
9/27/2022	63304-904	Meyer Cawthron	Jaloo	Rona Pisculli
9/27/2022	24385-322	Jeremiah Kelly	Kaymbo	Curcio Nibloe
9/27/2022	55910-516	Nelson McCallion	Youspan	Loleta Gyppes
9/27/2022	53329-231	Erika Deyes	Feedfish	Curcio Nibloe
9/27/2022	49288-0921	Lotta Bugbee	Tagcat	Jakie Rosendahl
9/27/2022	58160-820	Auroora Sweetmore	Skinte	Pyotr Pirouet
9/27/2022	68391-479	Ramon Jahns	Feedfire	Roth Cours
9/27/2022	63629-5373	Laure Shelper	Jabberstorm	Kathryne Drewitt
9/27/2022	57902-817	Izaak Pesak	Livepath	Curcio Nibloe
9/27/2022	53499-3571	Taite De Micoli	Skivee	Loleta Gyppes
9/27/2022	20276-100	Morse Colvill	LiveZ	Kathryne Drewitt
9/27/2022	53329-805	Lorette Browett	Bluejam	Pyotr Pirouet
9/27/2022	65903-247	Alaster Cordoba	Thoughtbeat	Curcio Nibloe
9/27/2022	63354-625	Brinn Beri	Thoughtworks	Loleta Gyppes
9/27/2022	36987-2255	Abbi Grisard	YouTube	Keeley Busfield
9/27/2022	55154-5996	Margit Megroff	Brainbox	Kathryne Drewitt

[ryan_mayu]

not clear about this, what's the expected output? could you pls explain more?