I don't have anything for this season, but Kevin Porter Jr. had a 22.8 usage percentage versus the Hornets on April 7, 2023.

Interpreted as:

kevin porter usage rate gamelog this season

NAME	DATE	USG%	TM		OPP	MIN	PTS	REB	AST	STL	BLK	TOV	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	PF	+/-
Kevin Porter Jr.	4/7/2023	22.8	HOU	@	CHA	38	26	3	5	2	0	3	7	13	53.8	2	5	40.0	10	12	83.3	5	+6
Kevin Porter Jr.	4/4/2023	22.4	HOU	vs	DEN	34	20	3	9	2	0	2	7	17	41.2	5	11	45.5	1	2	50.0	3	+15
Kevin Porter Jr.	4/2/2023	20.7	HOU	vs	LAL	37	20	3	2	1	0	2	7	16	43.8	6	10	60.0	0	0		2	-17
Kevin Porter Jr.	3/31/2023	26.9	HOU	vs	DET	38	33	3	1	4	0	3	12	20	60.0	7	13	53.8	2	3	66.7	5	+3
Kevin Porter Jr.	3/29/2023	26.0	HOU	@	BKN	40	31	9	6	3	0	1	11	22	50.0	4	10	40.0	5	5	100.0	3	-14
Kevin Porter Jr.	3/27/2023	23.7	HOU	@	NYK	35	26	0	4	0	1	2	8	14	57.1	3	7	42.9	7	8	87.5	3	-20
Kevin Porter Jr.	3/26/2023	17.6	HOU	@	CLE	37	6	3	4	1	0	2	3	12	25.0	0	3	0.0	0	0		2	-19
Kevin Porter Jr.	3/24/2023	26.6	HOU	@	MEM	29	20	6	7	2	0	3	7	12	58.3	1	2	50.0	5	7	71.4	1	-22
Kevin Porter Jr.	3/22/2023	20.0	HOU	@	MEM	34	14	10	10	1	0	3	6	14	42.9	2	5	40.0	0	0		1	-4
Kevin Porter Jr.	3/20/2023	23.6	HOU	vs	GSW	38	17	5	5	3	0	5	4	15	26.7	3	10	30.0	6	6	100.0	1	-11
Kevin Porter Jr.	3/19/2023	23.4	HOU	vs	NOP	40	25	5	4	0	0	2	7	15	46.7	3	9	33.3	8	8	100.0	1	-9
Kevin Porter Jr.	3/17/2023	21.4	HOU	vs	NOP	39	20	4	6	2	0	3	6	14	42.9	5	12	41.7	3	5	60.0	1	+3
Kevin Porter Jr.	3/15/2023	22.3	HOU	vs	LAL	39	27	9	6	1	0	3	11	16	68.8	2	5	40.0	3	4	75.0	4	+7
Kevin Porter Jr.	3/13/2023	17.1	HOU	vs	BOS	38	14	6	13	3	0	1	5	13	38.5	1	4	25.0	3	3	100.0	2	+4
Kevin Porter Jr.	3/11/2023	20.8	HOU	vs	CHI	34	15	4	4	2	0	1	5	13	38.5	2	7	28.6	3	4	75.0	3	-10
Kevin Porter Jr.	3/7/2023	21.8	HOU	vs	BKN	29	8	8	7	0	0	2	2	11	18.2	1	4	25.0	3	4	75.0	3	-25
Kevin Porter Jr.	3/5/2023	22.0	HOU	vs	SAS	32	19	4	13	1	0	4	7	11	63.6	3	5	60.0	2	2	100.0	1	+22
Kevin Porter Jr.	3/4/2023	18.1	HOU	@	SAS	30	11	6	5	1	0	1	4	10	40.0	1	4	25.0	2	3	66.7	4	+7
Kevin Porter Jr.	3/1/2023	24.2	HOU	vs	MEM	26	11	5	2	0	0	2	3	11	27.3	2	5	40.0	3	4	75.0	2	0
Kevin Porter Jr.	1/11/2023	20.0	HOU	@	SAC	10	5	3	3	1	0	0	2	5	40.0	1	2	50.0	0	0		0	-2
Kevin Porter Jr.	1/8/2023	24.4	HOU	vs	MIN	38	25	6	5	1	1	5	9	15	60.0	5	9	55.6	2	4	50.0	2	-12
Kevin Porter Jr.	1/5/2023	27.3	HOU	vs	UTA	37	23	6	2	0	0	2	8	22	36.4	5	13	38.5	2	2	100.0	5	-22
Kevin Porter Jr.	1/4/2023	19.3	HOU	@	NOP	31	11	3	5	1	0	2	4	11	36.4	2	7	28.6	1	2	50.0	2	-23
Kevin Porter Jr.	1/2/2023	26.3	HOU	vs	DAL	42	25	6	6	3	1	3	11	20	55.0	2	9	22.2	1	2	50.0	1	-7
Kevin Porter Jr.	12/31/2022	23.6	HOU	vs	NYK	35	23	10	8	0	0	5	7	12	58.3	4	8	50.0	5	5	100.0	2	-16