The 2011 census showed that there are fewer young people in Aberdeen, with 16.4% under 16, opposed to the national average of 19.2%. According to the 2011 census Aberdeen is 91.9% white, ethnically, 24.7% were born outside Scotland, higher than the national average of 16%. Of this population 7.6% were born in other parts of the UK. 8.2% of Aberdonians stated to be from an ethnic minority (non-white) in the 2011 census, with 9,519 (4.3%) being Asian, with 3,385 (1.5%) coming from India and 2,187 (1.0%) being British Chinese. The city has around 5,610 (2.6%) residents of African or Caribbean origin, which is a higher percentage than both Glasgow and Edinburgh. The most multicultural part of the city is George Street, which has many ethnic restaurants, supermarkets and hairdressers.  In the household, there were 97,013 individual dwellings recorded in the city of which 61% were privately owned, 9% privately rented and 23% rented from the council. The most popular type of dwellings are apartments which comprise 49% of residences followed by semi-detached at just below 22%. The median income of a household in the city is £16,813 (the mean income is £20,292) (2005) which places approximately 18% households in the city below the poverty line (defined as 60% of the mean income). Conversely, an Aberdeen postcode has the second highest number of millionaires of any postcode in the UK.
Question: How many percent difference was the number of young people under 16 living in Aberdeen compared to the national average?
Answer: 2.8