-36.1% is the change from 687 to 439
Calculation steps:
[( 439 - 687 ) ÷ 687] x 100 = -36.1%
Formula
Percentage change = [(439 - 687) / 687] x 100
Subtract the new number by the original number
439 - 687 = -248
-248 ÷ 687 = -0.3609898107714702
-0.3609898107714702 x 100 = -36.1%