-0.87% is the change from 693 to 687
Calculation steps:
[( 687 - 693 ) ÷ 693] x 100 = -0.87%
Formula
Percentage change = [(687 - 693) / 693] x 100
Subtract the new number by the original number
687 - 693 = -6
-6 ÷ 693 = -0.008658008658008658
-0.008658008658008658 x 100 = -0.87%