0.79% is the change from 508 to 512
Calculation steps:
[( 512 - 508 ) ÷ 508] x 100 = 0.79%
Formula
Percentage change = [(512 - 508) / 508] x 100
Subtract the new number by the original number
512 - 508 = 4
4 ÷ 508 = 0.007874015748031496
0.007874015748031496 x 100 = 0.79%