annual student fees at the university of California rose From $4,000 in 2000 to %12,000 in 20101. find the percent change

Answer 1

It would help if you proofread your questions before you posted them.
"%12,000" and "20101"

$12,000 = 3 * $4000

3 times = 300%

Answer 2

300% is how much it grew to, a 200% change

Answer 3

(12,000/4,000) * 100% = 300%,
%Change = 300% - 100% = 200%.