Table:
|  | 2019 | 2018 | 2017 |
| --- | --- | --- | --- |
| Directors' remuneration |  |  |  |
| Average remuneration of Supervisory Board Members(1) | $105,066(2) | $ 115,618 | $ 123,281 |
| Company's performance |  |  |  |
| Net revenues (amounts in millions) | $ 9,556 | $ 9,664 | $ 8,347 |
| Operating income (amounts in millions) | $ 1,203 | $ 1,400 | $ 1,005 |
| Average remuneration of all global indirect employees (FTE basis) (3) |  |  |  |
| Employees | $ 97,300 | $ 100,600 | $ 93,500 |
Paragraphs:
(1) Using the euro per US dollar exchange rate on December 31, 2019 of €1 = $1.1213.
(2) Since May 23, 2019 Mr. Manzi has not been a member of the Supervisory Board.
(3) Global indirect employees are all employees other than those directly manufacturing our products.
We do not have any service agreements with members of our Supervisory Board. We did not extend any loans or overdrafts to any of our Supervisory Board members. Furthermore, we have not guaranteed any debts or concluded any leases with any of our Supervisory Board members or their families.
Question:
What was the increase / (decrease) in the Average remuneration of Supervisory Board Members from 2018 to 2019?
Answer: 105066 - 115618 = -10552