-25.41% is the change from 673 to 502
Calculation steps:
[( 502 - 673 ) ÷ 673] x 100 = -25.41%
Formula
Percentage change = [(502 - 673) / 673] x 100
Subtract the new number by the original number
502 - 673 = -171
-171 ÷ 673 = -0.2540861812778603
-0.2540861812778603 x 100 = -25.41%