-7.92% is the change from 530 to 488
Calculation steps:
[( 488 - 530 ) ÷ 530] x 100 = -7.92%
Formula
Percentage change = [(488 - 530) / 530] x 100
Subtract the new number by the original number
488 - 530 = -42
-42 ÷ 530 = -0.07924528301886792
-0.07924528301886792 x 100 = -7.92%