2.34% is the change from 512 to 524
Calculation steps:
[( 524 - 512 ) ÷ 512] x 100 = 2.34%
Formula
Percentage change = [(524 - 512) / 512] x 100
Subtract the new number by the original number
524 - 512 = 12
12 ÷ 512 = 0.0234375
0.0234375 x 100 = 2.34%