-23.92% is the change from 673 to 512
Calculation steps:
[( 512 - 673 ) ÷ 673] x 100 = -23.92%
Formula
Percentage change = [(512 - 673) / 673] x 100
Subtract the new number by the original number
512 - 673 = -161
-161 ÷ 673 = -0.23922734026745915
-0.23922734026745915 x 100 = -23.92%