Solve. Round percents to the nearest tenth, if necessary.
1. In 2010, approximately 493 thousand correctional officers were employed in the United States. By 2020, this number is expected to increase to 518 thousand correctional officers. What is the percent increase?
2. As the largest health care occupation, registered nurses held about 2.7 million jobs in 2010. The number of registered nurses is expected to be 7.1 million by 2020. What is the percent increase?