Table:
|  | 2019 | 2018 |
| --- | --- | --- |
| Note payable to a bank (“Real Estate Loan”), interest payable at a fixed rate of 2.99% with monthly installments of principal and interest of $38,344 through August 2021 with remaining principal due September 2021, collateralized by three distribution facilities | $ 2,263,040 | $  2,648,179 |
| Note payable, interest payable at a fixed rate of 4.50% with quarterly installments of principal and interest of $49,114 through June 2023 with remaining principal due September 2023 | 1,395,351 | 1,476,772 |
| Note payable, interest-free with varying installments during fiscal 2019 | — | 629,746 |
|  | 3,658,391 | 4,754,697 |
| Less current maturities | (532,747) | (1,096,306) |
|  | $3,125,644 | $3,658,391 |
Paragraphs:
LONG-TERM DEBT
In addition to the Facility, the Company also had the following long-term obligations at fiscal 2019 and fiscal 2018.
Question:
What is the percentage change in the company's interest-free note payable between 2018 and 2019?
Answer: (0 - 629746)/629746  = -100