-39.82% is the change from 673 to 405
Calculation steps:
[( 405 - 673 ) ÷ 673] x 100 = -39.82%
Formula
Percentage change = [(405 - 673) / 673] x 100
Subtract the new number by the original number
405 - 673 = -268
-268 ÷ 673 = -0.39821693907875183
-0.39821693907875183 x 100 = -39.82%