3553.33% is the change from 15 to 548
Calculation steps:
[( 548 - 15 ) ÷ 15] x 100 = 3553.33%
Formula
Percentage change = [(548 - 15) / 15] x 100
Subtract the new number by the original number
548 - 15 = 533
533 ÷ 15 = 35.53333333333333
35.53333333333333 x 100 = 3553.33%