Table:
| ($ in millions except per share amounts) |  |  |  |
| --- | --- | --- | --- |
| For the year ended December 31:* | 2019 | 2018 | Yr.-to-Yr. Percent Change |
| Net income as reported | $ 9,431 | 8,728* | 8.1% |
| Income/(loss) from discontinued operations, net of tax | (4) | 5 | NM |
| Income from continuing operations | $ 9,435 | 8,723* | 8.2% |
| Non-operating adjustments (net of tax) |  |  |  |
| Acquisition-related charges | 1,343 | 649 | 107.0 |
| Non-operating retirement-related costs/(income) | 512 | 1,248 | (58.9) |
| U.S. tax reform charge | 146 | 2,037 | (92.8) |
| Operating (non-GAAP) earnings | $11,436 | $12,657 | (9.6)% |
| Diluted operating (non-GAAP) earnings per share | $ 12.81 | $ 13.81 | (7.2)% |
Paragraphs:
The following table provides the company’s operating (non-GAAP) earnings for 2019 and 2018. See page 46 for additional information.
* 2019 results were impacted by Red Hat purchase accounting and acquisition-related activity.
** Includes charges of $2.0 billion in 2018 associated with U.S. tax reform.
Question:
What was the increase / (decrease) in Operating (non-GAAP) earnings from continuing operations from 2018 to 2019?
Answer: 11436 - 12657 = -1221