Hawaiian Airlines will hire more workers as it expands its fleet. The new hirings are a welcome sign for​ Hawaii's economy, which lost jobs during the year to May 2009 as the​ state's unemployment rate rose from​ 4% to​ 7%.
The labor force was​ 602,000 in May 2009 and​ 622,600 in May 2008.
Calculate the change in the number unemployed between May 2008 and May 2009.
The number unemployed in May 2008 is