Table:
| ($ in millions) |  |  |  |  |
| --- | --- | --- | --- | --- |
| For the year ended December 31: | 2018 | 2017 | Yr.-to-Yr. Percent Change | Yr.-to-Yr. Percent Change Adjusted for Currency |
| Global Technology Services external revenue | $29,146 * | $29,213 * | (0.2)% | (0.8)% |
| Infrastructure & Cloud Services | $22,185* | $22,016* | 0.8% | 0.0% |
| Technology Support Services | 6,961 | 7,196 | (3.3) | (3.5) |
Paragraphs:
* Recast to reflect segment changes.
Global Technology Services revenue decreased 0.2 percent as reported (1 percent adjusted for currency) in 2018 compared to the prior year, with Infrastructure & Cloud Services up 0.8 percent as reported (flat adjusted for currency) offset by a decline in Technology Support Services.
In Infrastructure & Cloud Services, the business focused on prioritizing the portfolio to deliver high-value solutions to bring productivity to clients and allow for expanding workloads, while it exited some lower-value offerings. Technology Support Services was impacted by the hardware product cycle dynamics in 2018 but grew its multivendor services offerings. Within GTS, cloud revenue of $8.0 billion grew 22 percent as reported and 21 percent adjusted for currency compared to the prior year.
Question:
What is the increase/ (decrease) in Global Technology Services external revenue from 2017 to 2018
Answer: 29146-29213  = -67