-70.31% is the change from 687 to 204
Calculation steps:
[( 204 - 687 ) ÷ 687] x 100 = -70.31%
Formula
Percentage change = [(204 - 687) / 687] x 100
Subtract the new number by the original number
204 - 687 = -483
-483 ÷ 687 = -0.7030567685589519
-0.7030567685589519 x 100 = -70.31%