4.1% is the change from 512 to 533
Calculation steps:
[( 533 - 512 ) ÷ 512] x 100 = 4.1%
Formula
Percentage change = [(533 - 512) / 512] x 100
Subtract the new number by the original number
533 - 512 = 21
21 ÷ 512 = 0.041015625
0.041015625 x 100 = 4.1%