Table:
Years Ended	2019 vs. 2018

Years Ended	July 27, 2019	July 28, 2018	July 29, 2017	Variance in Dollars	Variance in Percent

Service revenue:

Americas	$ 8,173	$ 7,982	$7,864	$191	2%

Percentage of service revenue	63.4%	63.3%	63.9%

EMEA	2,854	2,754	2,635	100	4%

Percentage of service revenue	22.1%	21.8%	21.4%

APJC	1,872	1,885	1,801	(13)	(1)%

Percentage of service revenue	14.5%	14.9%	14.7%

Total	$ 12,899	$ 12,621	$12,300	$278	2%

Answer the following question based on the table plus the background text, respond with any necessary explanation, then provide the JSON object {"answer": ["ANSWER"], "scale": "SCALE"} as the final output (use an empty string for scale if irrelevant).

Background:
Service Revenue by Segment
The following table presents the breakdown of service revenue by segment (in millions, except percentages):
Amounts may not sum and percentages may not recalculate due to rounding
Service revenue increased 2%, driven by an increase in software and solution support offerings. Service revenue increased in the Americas and EMEA segments, partially offset by decreased revenue in our APJC segment.

Question: What was the percentage change in total service revenue between 2017 and 2018?

((12,621-12,300)/12,300) * 100, therefore {"answer": "2.61", "scale": "percent"}