In 2017, a rock band held a concert in Atlanta, Georgia. The attendance was 53,500. However, in 2018, they returned to Atlanta, but the crowd was only 41,900. What was the percent change in crowd attendance from 2017 to 2018? *
An increase of 21.68%
An increase of 27.68%
A decrease of 21.68%
An decrease of 27.68%