3613.33% is the change from 15 to 557
Calculation steps:
[( 557 - 15 ) ÷ 15] x 100 = 3613.33%
Formula
Percentage change = [(557 - 15) / 15] x 100
Subtract the new number by the original number
557 - 15 = 542
542 ÷ 15 = 36.13333333333333
36.13333333333333 x 100 = 3613.33%