9.48% is the change from 485 to 531
Calculation steps:
[( 531 - 485 ) ÷ 485] x 100 = 9.48%
Formula
Percentage change = [(531 - 485) / 485] x 100
Subtract the new number by the original number
531 - 485 = 46
46 ÷ 485 = 0.09484536082474226
0.09484536082474226 x 100 = 9.48%