Table:
|  |  | Group |
| --- | --- | --- |
|  | 2019 | 2018 |
|  | S$ Mil | S$ Mil |
| Key management personnel compensation (1) |  |  |
| Executive director (2) | 3.5 | 6.1 |
| Other key management personnel (3) | 15.9 | 22.4 |
|  | 19.4 | 28.5 |
| Directors' remuneration (4) | 2.7 | 2.5 |
|  | 22.1 | 31.0 |
Paragraphs:
5.2 Key Management Personnel Compensation
Notes: (1) Comprise base salary, bonus, contributions to defined contribution plans and other benefits, but exclude performance share and share option expenses disclosed below.
(2) The Group Chief Executive Officer, an executive director of Singtel, was awarded up to 1,030,168 (2018: 1,712,538) ordinary shares of Singtel pursuant to Singtel performance share plans, subject to certain performance criteria including other terms and conditions being met. The performance share award in the previous financial year included a one-off Special Share Award (“SSA”). The performance share expense computed in accordance with SFRS(I) 2, Share-based Payment, was S$1.5 million (2018: S$3.3 million).
(3) The other key management personnel of the Group comprise the Chief Executive Officers of Consumer Singapore, Consumer Australia, Group Enterprise, Group Digital Life and International Group, as well as the Group Chief Corporate Officer, Group Chief Financial Officer, Group Chief Human Resources Officer, Group Chief Information Officer and Group Chief Technology Officer. The other key management personnel were awarded up to 3,537,119 (2018: 4,391,498) ordinary shares of Singtel pursuant to Singtel performance share plans, subject to certain performance criteria including other terms and conditions being met. The performance share award in the previous financial year included a one-off SSA. The performance share expense computed in accordance with SFRS(I) 2 was S$6.1 million (2018: S$8.5 million).
(4) Directors’ remuneration comprises the following: (i) Directors’ fees of S$2.7 million (2018: S$2.5 million), including fees paid to certain directors in their capacities as members of the Optus Advisory Committee and the Technology Advisory Panel, and as director of Singtel Innov8 Pte. Ltd. (ii) Car-related benefits of the Chairman of S$24,557 (2018: S$20,446). In addition to the Directors’ remuneration, Venkataraman Vishnampet Ganesan, a non-executive director of Singtel, was awarded 831,087 (2018: Nil) of share options pursuant to the Amobee Long-Term Incentive Plan during the financial year, subject to certain terms and conditions being met. The share option expense computed in accordance with SFRS(I) 2 was S$104,278 (2018: S$21,607).
Question:
What is the % change in key management personnel compensation from 2018 to 2019, excluding directors' remuneration?
Answer: (19.4 - 28.5) / 28.5 = -31.93