8.37% is the change from 490 to 531
Calculation steps:
[( 531 - 490 ) ÷ 490] x 100 = 8.37%
Formula
Percentage change = [(531 - 490) / 490] x 100
Subtract the new number by the original number
531 - 490 = 41
41 ÷ 490 = 0.0836734693877551
0.0836734693877551 x 100 = 8.37%