4.3% is the change from 512 to 534
Calculation steps:
[( 534 - 512 ) ÷ 512] x 100 = 4.3%
Formula
Percentage change = [(534 - 512) / 512] x 100
Subtract the new number by the original number
534 - 512 = 22
22 ÷ 512 = 0.04296875
0.04296875 x 100 = 4.3%