-46.72% is the change from 687 to 366
Calculation steps:
[( 366 - 687 ) ÷ 687] x 100 = -46.72%
Formula
Percentage change = [(366 - 687) / 687] x 100
Subtract the new number by the original number
366 - 687 = -321
-321 ÷ 687 = -0.4672489082969432
-0.4672489082969432 x 100 = -46.72%