-6.4% is the change from 734 to 687
Calculation steps:
[( 687 - 734 ) ÷ 734] x 100 = -6.4%
Formula
Percentage change = [(687 - 734) / 734] x 100
Subtract the new number by the original number
687 - 734 = -47
-47 ÷ 734 = -0.06403269754768393
-0.06403269754768393 x 100 = -6.4%