3453.33% is the change from 15 to 533
Calculation steps:
[( 533 - 15 ) ÷ 15] x 100 = 3453.33%
Formula
Percentage change = [(533 - 15) / 15] x 100
Subtract the new number by the original number
533 - 15 = 518
518 ÷ 15 = 34.53333333333333
34.53333333333333 x 100 = 3453.33%