Table:
As of December 31,

2019	2018

Projected benefit obligation	$3,778	$3,848

Accumulated benefit obligation	$2,999	$3,028

Fair value of plan assets	$1,418	$1,426

Answer the following question taking into account the following table and its related text, produce your answer and, if helpful, briefly explain your calculation. Conclude with JSON: {"answer": ["ANSWER"], "scale": "SCALE"} ("scale" = "" if no unit).

Background:
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (in thousands, except for share and per share data)
The projected benefit obligation, accumulated benefit obligation and fair value of plan assets for those Pension Plans with accumulated benefit obligation in excess of fair value of plan assets is shown below:

Question: What was the percentage change in the fair value of plan assets between 2018 and 2019?

((1,418-1,426)/1,426) * 100, therefore {"answer": "-0.56", "scale": "percent"}