Table:
| ($ in millions) |  |  |
| --- | --- | --- |
| At December 31: | 2019 | 2018 |
| Commercial paper | $  304 | $ 2,995 |
| Short-term loans | 971 | 161 |
| Long-term debt—current maturities | 7,522 | 7,051 |
| Total | $8,797 | $10,207 |
Paragraphs:
Short-Term Debt
The weighted-average interest rate for commercial paper at December 31, 2019 and 2018 was 1.6 percent and 2.5 percent, respectively. The weighted-average interest rates for short-term loans were 6.1 percent and 4.3 percent at December 31, 2019 and 2018, respectively.
Question:
What was the percentage increase / (decrease) in total short term debt?
Answer: 8797 / 10207 - 1 = -13.81