Passage: As of the census of 2000, there were 690 people, 285 households, and 171 families residing in the city.  The population density was 878.5 people per square mile (337.2/km²).  There were 317 housing units at an average density of 403.6 per square mile (154.9/km²).  The racial makeup of the city was 82.61% White, 15.80% Native American, 0.43% Asian, 0.14% Pacific Islander, 0.14% from other races, and 0.87% from two or more races. Hispanic or Latino of any race were 1.74% of the population.

Question: what was the percent of population that was Native American?
15.8