-6.78% is the change from 737 to 687
Calculation steps:
[( 687 - 737 ) ÷ 737] x 100 = -6.78%
Formula
Percentage change = [(687 - 737) / 737] x 100
Subtract the new number by the original number
687 - 737 = -50
-50 ÷ 737 = -0.06784260515603799
-0.06784260515603799 x 100 = -6.78%