7.03% is the change from 512 to 548
Calculation steps:
[( 548 - 512 ) ÷ 512] x 100 = 7.03%
Formula
Percentage change = [(548 - 512) / 512] x 100
Subtract the new number by the original number
548 - 512 = 36
36 ÷ 512 = 0.0703125
0.0703125 x 100 = 7.03%