-48.18% is the change from 687 to 356
Calculation steps:
[( 356 - 687 ) ÷ 687] x 100 = -48.18%
Formula
Percentage change = [(356 - 687) / 687] x 100
Subtract the new number by the original number
356 - 687 = -331
-331 ÷ 687 = -0.48180494905385735
-0.48180494905385735 x 100 = -48.18%