-69.72% is the change from 687 to 208
Calculation steps:
[( 208 - 687 ) ÷ 687] x 100 = -69.72%
Formula
Percentage change = [(208 - 687) / 687] x 100
Subtract the new number by the original number
208 - 687 = -479
-479 ÷ 687 = -0.6972343522561864
-0.6972343522561864 x 100 = -69.72%