Suppose that the population of starfish in a pond decreased exponentially form 573 in 1980 to 300 in 1995 and continued to decrease at the same

Suppose that the population of starfish in a pond decreased exponentially form 573 in 1980 to 300 in 1995 and continued to decrease at the same percentage rate between 1995 and 2000, calculate what the starfish population would be in 2000.