3.23% is the change from 496 to 512
Calculation steps:
[( 512 - 496 ) ÷ 496] x 100 = 3.23%
Formula
Percentage change = [(512 - 496) / 496] x 100
Subtract the new number by the original number
512 - 496 = 16
16 ÷ 496 = 0.03225806451612903
0.03225806451612903 x 100 = 3.23%