0.39% is the change from 512 to 514
Calculation steps:
[( 514 - 512 ) ÷ 512] x 100 = 0.39%
Formula
Percentage change = [(514 - 512) / 512] x 100
Subtract the new number by the original number
514 - 512 = 2
2 ÷ 512 = 0.00390625
0.00390625 x 100 = 0.39%