Newfoundland and Labrador's debt as presented on debtclock.ca is the "net debt" as found in the 2019 Newfoundland and Labrador budget.

You can find those figures on page iv of the provincial budget speech statements and schedules here: https://www.gov.nl.ca/budget/2019/wp-content/uploads/sites/2/2019/04/statements-and-schedules.pdf

Figures have been updated after the fall fiscal update: https://www.gov.nl.ca/fin/files/Fall_Update_2019_Public_Presentation.ppt

For 2019-20, Newfoundland and Labrador's net debt is decreasing by $1.4 billion thanks to a one-time Atlantic Accord payment from the federal government. It is expected to grow again starting in 2020-21.