0.39% is the change from 510 to 512
Calculation steps:
[( 512 - 510 ) ÷ 510] x 100 = 0.39%
Formula
Percentage change = [(512 - 510) / 510] x 100
Subtract the new number by the original number
512 - 510 = 2
2 ÷ 510 = 0.00392156862745098
0.00392156862745098 x 100 = 0.39%