9.03% is the change from 487 to 531
Calculation steps:
[( 531 - 487 ) ÷ 487] x 100 = 9.03%
Formula
Percentage change = [(531 - 487) / 487] x 100
Subtract the new number by the original number
531 - 487 = 44
44 ÷ 487 = 0.09034907597535935
0.09034907597535935 x 100 = 9.03%