6.25% is the change from 512 to 544
Calculation steps:
[( 544 - 512 ) ÷ 512] x 100 = 6.25%
Formula
Percentage change = [(544 - 512) / 512] x 100
Subtract the new number by the original number
544 - 512 = 32
32 ÷ 512 = 0.0625
0.0625 x 100 = 6.25%
Example