-11.21% is the change from 687 to 610
Calculation steps:
[( 610 - 687 ) ÷ 687] x 100 = -11.21%
Formula
Percentage change = [(610 - 687) / 687] x 100
Subtract the new number by the original number
610 - 687 = -77
-77 ÷ 687 = -0.11208151382823872
-0.11208151382823872 x 100 = -11.21%