In 2000, the population at arlington middle school was approximately 421 students. in 2010, the population was approximately 584 students. find the percent of change in the population at arlington middle school from 2000 to 2010 and identify it as an increase or decrease.

The population increased in 163 people which represents an increase in 38.72%

Explanation:

Year:Population

2000:421

2001: 584

The simple percentage change method formula is:

((Final value-Initial value) / Initial value) * 100

((584-421) / 421) * 100=38.72%

The population increased in 163 people which represents an increase in 38.72%.