-2.53% is the change from 672 to 655
Calculation steps:
[( 655 - 672 ) ÷ 672] x 100 = -2.53%
Formula
Percentage change = [(655 - 672) / 672] x 100
Subtract the new number by the original number
655 - 672 = -17
-17 ÷ 672 = -0.025297619047619048
-0.025297619047619048 x 100 = -2.53%