-24.22% is the change from 673 to 510
Calculation steps:
[( 510 - 673 ) ÷ 673] x 100 = -24.22%
Formula
Percentage change = [(510 - 673) / 673] x 100
Subtract the new number by the original number
510 - 673 = -163
-163 ÷ 673 = -0.24219910846953938
-0.24219910846953938 x 100 = -24.22%