-1.07% is the change from 654 to 647
Calculation steps:
[( 647 - 654 ) ÷ 654] x 100 = -1.07%
Formula
Percentage change = [(647 - 654) / 654] x 100
Subtract the new number by the original number
647 - 654 = -7
-7 ÷ 654 = -0.010703363914373088
-0.010703363914373088 x 100 = -1.07%