-10.55% is the change from 512 to 458
Calculation steps:
[( 458 - 512 ) ÷ 512] x 100 = -10.55%
Formula
Percentage change = [(458 - 512) / 512] x 100
Subtract the new number by the original number
458 - 512 = -54
-54 ÷ 512 = -0.10546875
-0.10546875 x 100 = -10.55%