-42.94% is the change from 687 to 392
Calculation steps:
[( 392 - 687 ) ÷ 687] x 100 = -42.94%
Formula
Percentage change = [(392 - 687) / 687] x 100
Subtract the new number by the original number
392 - 687 = -295
-295 ÷ 687 = -0.4294032023289665
-0.4294032023289665 x 100 = -42.94%