-18.75% is the change from 512 to 416
Calculation steps:
[( 416 - 512 ) ÷ 512] x 100 = -18.75%
Formula
Percentage change = [(416 - 512) / 512] x 100
Subtract the new number by the original number
416 - 512 = -96
-96 ÷ 512 = -0.1875
-0.1875 x 100 = -18.75%