-62.24% is the change from 686 to 259
Calculation steps:
[( 259 - 686 ) ÷ 686] x 100 = -62.24%
Formula
Percentage change = [(259 - 686) / 686] x 100
Subtract the new number by the original number
259 - 686 = -427
-427 ÷ 686 = -0.6224489795918368
-0.6224489795918368 x 100 = -62.24%