-0.19% is the change from 530 to 529
Calculation steps:
[( 529 - 530 ) ÷ 530] x 100 = -0.19%
Formula
Percentage change = [(529 - 530) / 530] x 100
Subtract the new number by the original number
529 - 530 = -1
-1 ÷ 530 = -0.0018867924528301887
-0.0018867924528301887 x 100 = -0.19%