-9.81% is the change from 530 to 478
Calculation steps:
[( 478 - 530 ) ÷ 530] x 100 = -9.81%
Formula
Percentage change = [(478 - 530) / 530] x 100
Subtract the new number by the original number
478 - 530 = -52
-52 ÷ 530 = -0.09811320754716982
-0.09811320754716982 x 100 = -9.81%