-89.25% is the change from 530 to 57
Calculation steps:
[( 57 - 530 ) ÷ 530] x 100 = -89.25%
Formula
Percentage change = [(57 - 530) / 530] x 100
Subtract the new number by the original number
57 - 530 = -473
-473 ÷ 530 = -0.8924528301886793
-0.8924528301886793 x 100 = -89.25%