-59.39% is the change from 687 to 279
Calculation steps:
[( 279 - 687 ) ÷ 687] x 100 = -59.39%
Formula
Percentage change = [(279 - 687) / 687] x 100
Subtract the new number by the original number
279 - 687 = -408
-408 ÷ 687 = -0.5938864628820961
-0.5938864628820961 x 100 = -59.39%