-24.26% is the change from 676 to 512
Calculation steps:
[( 512 - 676 ) ÷ 676] x 100 = -24.26%
Formula
Percentage change = [(512 - 676) / 676] x 100
Subtract the new number by the original number
512 - 676 = -164
-164 ÷ 676 = -0.24260355029585798
-0.24260355029585798 x 100 = -24.26%