What statistical trend reflects the overall population trajectory of the Orchard Oriole since 1966?

Answer

A statistically significant annual decline of 0.87%

Data from the Breeding Bird Survey since 1966 shows that the species has experienced a statistically significant annual decline amounting to 0.87% across North America.

What statistical trend reflects the overall population trajectory of the Orchard Oriole since 1966?
raritybirdavianorioleorchard