Izaiah Brockington has the highest career usage percentage by a player off the bench, at 58.7 percent.

Interpreted as:

NBA biggest bench usage rate by a player increase

	NAME	USG%	GP	MPG	PPG	RPG	APG	SPG	BPG	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	TS%	OREB	DREB	TPG	MIN	PTS	REB	AST	STL	BLK	TOV	PF	+/-
1	Izaiah Brockington I. Brockington	58.7	1	3.4	4.0	2.0	0.0	0.0	0.0	2.0	5.0	40.0	0.0	1.0	0.0	0.0	0.0		40.0	1.0	1.0	0.0	3	4	2	0	0	0	0	0	+3
2	Howard Nathan H. Nathan	54.5	5	3.0	2.6	0.0	0.4	0.6	0.0	1.0	1.8	55.6	0.0	0.2	0.0	0.6	0.8	75.0	60.4	0.0	0.0	1.6	15	13	0	2	3	0	8	2
3	Kelly McCarty K. McCarty	52.9	2	2.0	2.0	1.5	0.0	0.0	0.0	1.0	1.5	66.7	0.0	0.0		0.0	0.0		66.7	1.0	0.5	1.0	4	4	3	0	0	0	2	0	+1
4	Ahmad Caver A. Caver	52.7	1	0.8	2.0	0.0	0.0	0.0	0.0	1.0	1.0	100.0	0.0	0.0		0.0	0.0		100.0	0.0	0.0	0.0	1	2	0	0	0	0	0	0	+2
5	Tyler Davis T. Davis	50.5	1	0.9	0.0	1.0	0.0	0.0	0.0	0.0	1.0	0.0	0.0	0.0		0.0	0.0		0.0	1.0	0.0	0.0	1	0	1	0	0	0	0	0	0
6	Donovan Williams D. Williams	50.3	2	2.1	2.0	1.0	0.0	0.0	0.0	1.0	2.5	40.0	0.0	1.0	0.0	0.0	0.0		40.0	0.0	1.0	0.0	4	4	2	0	0	0	0	0	+6
7	Shea Seals S. Seals	47.6	4	2.3	1.0	1.0	0.0	0.3	0.0	0.3	2.0	12.5	0.0	0.8	0.0	0.5	1.0	50.0	20.5	0.8	0.3	0.0	9	4	4	0	1	0	0	1	-4
8	Mile Ilic M. Ilic	47.6	5	1.2	0.0	0.2	0.0	0.0	0.0	0.0	0.6	0.0	0.0	0.0		0.0	0.0		0.0	0.0	0.2	0.6	6	0	1	0	0	0	3	1	-17
9	Paris Bass P. Bass	47.2	2	3.7	3.0	2.0	0.0	0.5	0.0	1.0	3.0	33.3	0.0	1.0	0.0	1.0	1.0	100.0	43.6	1.0	1.0	1.0	7	6	4	0	1	0	2	2	+2
10	Barry Sumpter B. Sumpter	44.8	1	1.0	0.0	0.0	0.0	0.0	0.0	0.0	1.0	0.0	0.0	0.0		0.0	0.0		0.0	0.0	0.0	0.0	1	0	0	0	0	0	0	0
11	Mike Champion M. Champion	44.5	2	2.0	0.0	0.0	0.0	0.0	0.0	0.0	1.5	0.0	0.0	0.5	0.0	0.0	0.0		0.0	0.0	0.0	0.5	4	0	0	0	0	0	1	2
12	LaMark Baker L. Baker	44.2	1	2.0	0.0	0.0	0.0	0.0	0.0	0.0	1.0	0.0	0.0	0.0		0.0	0.0		0.0	0.0	0.0	1.0	2	0	0	0	0	0	1	0	-1
13	Chad Gallagher C. Gallagher	43.6	2	1.5	3.0	0.0	0.0	0.0	0.0	1.5	1.5	100.0	0.0	0.0		0.0	0.0		100.0	0.0	0.0	0.0	3	6	0	0	0	0	0	2
14	Malik Newman M. Newman	40.2	2	5.7	5.0	0.5	0.5	0.0	0.0	1.5	3.5	42.9	0.0	1.0	0.0	2.0	2.0	100.0	57.1	0.0	0.5	1.0	11	10	1	1	0	0	2	0	-2
15	Tim Duncan T. Duncan	39.1	3	21.4	14.7	8.0	0.7	0.0	0.3	4.7	12.7	36.8	0.0	0.0		5.3	8.7	61.5	44.5	2.3	5.7	1.3	64	44	24	2	0	1	4	3	+14
16	Vincent Hunter V. Hunter	38.6	4	1.9	1.5	0.8	0.0	0.0	0.3	0.8	1.3	60.0	0.0	0.0		0.0	0.0		60.0	0.5	0.3	0.3	7	6	3	0	0	1	1	0	+6
17	Ian Lockhart I. Lockhart	38.0	1	2.0	4.0	0.0	0.0	0.0	0.0	1.0	1.0	100.0	0.0	0.0		2.0	2.0	100.0	106.4	0.0	0.0	0.0	2	4	0	0	0	0	0	0
18	Matt Walsh M. Walsh	37.9	2	1.7	1.0	0.0	0.0	0.0	0.0	0.5	0.5	100.0	0.0	0.0		0.0	1.0	0.0	53.2	0.0	0.0	0.5	3	2	0	0	0	0	1	0	-13
19	Korleone Young K. Young	37.6	3	5.0	4.3	1.3	0.3	0.0	0.0	1.7	3.3	50.0	0.3	1.3	25.0	0.7	0.7	100.0	59.7	0.7	0.7	0.3	15	13	4	1	0	0	1	3	+9
20	Ratko Varda R. Varda	37.1	1	6.0	5.0	1.0	0.0	0.0	0.0	2.0	3.0	66.7	0.0	0.0		1.0	1.0	100.0	72.7	0.0	1.0	1.0	6	5	1	0	0	0	1	3	-1
21	Coty Clarke C. Clarke	37.1	3	1.9	2.0	0.3	0.0	0.0	0.0	0.7	1.3	50.0	0.7	0.7	100.0	0.0	0.0		75.0	0.0	0.3	0.3	6	6	1	0	0	0	1	0	+4
22	Linton Townes L. Townes	36.2	1	8.0	2.0	1.0	0.0	0.0	0.0	0.0	6.0	0.0	0.0	0.0		2.0	2.0	100.0	14.5	1.0	0.0	0.0	8	2	1	0	0	0	0	1
23	Voise Winters V. Winters	34.9	4	4.3	1.5	0.8	0.0	0.3	0.0	0.8	3.3	23.1	0.0	0.3	0.0	0.0	0.0		23.1	0.3	0.5	0.5	17	6	3	0	1	0	2	1
24	Donte Grantham D. Grantham	34.8	3	0.8	0.0	0.0	0.0	0.0	0.0	0.0	0.7	0.0	0.0	0.7	0.0	0.0	0.0		0.0	0.0	0.0	0.0	2	0	0	0	0	0	0	0	-2
25	Shaquille O'Neal S. O'Neal	34.7	10	24.6	18.2	9.2	1.5	0.2	1.3	7.3	12.9	56.6	0.0	0.0		3.6	8.0	45.0	55.4	2.7	6.5	2.3	246	182	92	15	2	13	23	30	+56