Answer based on context:

The 2010 United States Census reported that Placer County had a population of 348,432. The racial makeup of Placer County was 290,977 (83.5%) White (U.S. Census), 4,751 (1.4%) African American (U.S. Census), 3,011 (0.9%) Native American (U.S. Census), 20,435 (5.9%) Asian (U.S. Census), 778 (0.2%) Pacific Islander (U.S. Census), 13,375 (3.8%) from Race (United States Census), and 15,105 (4.3%) from two or more races.  Hispanic (U.S. Census) or Latino (U.S. Census) of any race were 44,710 persons (12.8%).

How many in percent from the census weren't Pacific islander?
99.8