The population of walleye in a lake is estimated to be 12,345 at the end of the year and 13,624 at the beginning of the year. By what percent did this increase or decrease?

Three students, javier, sam, and corrine, participated in a fundraiser where people donated a certain amount of money per lap that the student ran. each student also had some initial donations that were collected before the run. the equations that represent each student's total donation, y, based on the number of laps ran, x, is shown below. match each equation with the correct rate of change for that student.