-18.63% is the change from 687 to 559
Calculation steps:
[( 559 - 687 ) ÷ 687] x 100 = -18.63%
Formula
Percentage change = [(559 - 687) / 687] x 100
Subtract the new number by the original number
559 - 687 = -128
-128 ÷ 687 = -0.18631732168850074
-0.18631732168850074 x 100 = -18.63%