-30.28% is the change from 687 to 479
Calculation steps:
[( 479 - 687 ) ÷ 687] x 100 = -30.28%
Formula
Percentage change = [(479 - 687) / 687] x 100
Subtract the new number by the original number
479 - 687 = -208
-208 ÷ 687 = -0.3027656477438137
-0.3027656477438137 x 100 = -30.28%