-15.89% is the change from 579 to 487
Calculation steps:
[( 487 - 579 ) ÷ 579] x 100 = -15.89%
Formula
Percentage change = [(487 - 579) / 579] x 100
Subtract the new number by the original number
487 - 579 = -92
-92 ÷ 579 = -0.15889464594127806
-0.15889464594127806 x 100 = -15.89%