-24.7% is the change from 672 to 506
Calculation steps:
[( 506 - 672 ) ÷ 672] x 100 = -24.7%
Formula
Percentage change = [(506 - 672) / 672] x 100
Subtract the new number by the original number
506 - 672 = -166
-166 ÷ 672 = -0.24702380952380953
-0.24702380952380953 x 100 = -24.7%