-3.52% is the change from 654 to 631
Calculation steps:
[( 631 - 654 ) ÷ 654] x 100 = -3.52%
Formula
Percentage change = [(631 - 654) / 654] x 100
Subtract the new number by the original number
631 - 654 = -23
-23 ÷ 654 = -0.035168195718654434
-0.035168195718654434 x 100 = -3.52%