3880% is the change from 15 to 597
Calculation steps:
[( 597 - 15 ) ÷ 15] x 100 = 3880%
Formula
Percentage change = [(597 - 15) / 15] x 100
Subtract the new number by the original number
597 - 15 = 582
582 ÷ 15 = 38.8
38.8 x 100 = 3880%
Example