-25.6% is the change from 672 to 500
Calculation steps:
[( 500 - 672 ) ÷ 672] x 100 = -25.6%
Formula
Percentage change = [(500 - 672) / 672] x 100
Subtract the new number by the original number
500 - 672 = -172
-172 ÷ 672 = -0.25595238095238093
-0.25595238095238093 x 100 = -25.6%