Please Provide an explanation of both Excel and the formula

In 1904, the first Putting Green Championship was held. The winner's prize money was $170. In 2016, the winner's check was $1,171,000. (Do not round intermediate calculations.)

a.	What was the percentage increase per year in the winner's check over this period?
	Interest rate

b.	If the winner's prize increases at the same rate, what will it be in 2049?
	Future value