1.37% is the change from 512 to 519
Calculation steps:
[( 519 - 512 ) ÷ 512] x 100 = 1.37%
Formula
Percentage change = [(519 - 512) / 512] x 100
Subtract the new number by the original number
519 - 512 = 7
7 ÷ 512 = 0.013671875
0.013671875 x 100 = 1.37%