3533.33% is the change from 15 to 545
Calculation steps:
[( 545 - 15 ) ÷ 15] x 100 = 3533.33%
Formula
Percentage change = [(545 - 15) / 15] x 100
Subtract the new number by the original number
545 - 15 = 530
530 ÷ 15 = 35.333333333333336
35.333333333333336 x 100 = 3533.33%