8.87% is the change from 530 to 577
Calculation steps:
[( 577 - 530 ) ÷ 530] x 100 = 8.87%
Formula
Percentage change = [(577 - 530) / 530] x 100
Subtract the new number by the original number
577 - 530 = 47
47 ÷ 530 = 0.08867924528301886
0.08867924528301886 x 100 = 8.87%