2.93% is the change from 512 to 527
Calculation steps:
[( 527 - 512 ) ÷ 512] x 100 = 2.93%
Formula
Percentage change = [(527 - 512) / 512] x 100
Subtract the new number by the original number
527 - 512 = 15
15 ÷ 512 = 0.029296875
0.029296875 x 100 = 2.93%