-48.33% is the change from 687 to 355
Calculation steps:
[( 355 - 687 ) ÷ 687] x 100 = -48.33%
Formula
Percentage change = [(355 - 687) / 687] x 100
Subtract the new number by the original number
355 - 687 = -332
-332 ÷ 687 = -0.48326055312954874
-0.48326055312954874 x 100 = -48.33%