-61.86% is the change from 679 to 259
Calculation steps:
[( 259 - 679 ) ÷ 679] x 100 = -61.86%
Formula
Percentage change = [(259 - 679) / 679] x 100
Subtract the new number by the original number
259 - 679 = -420
-420 ÷ 679 = -0.6185567010309279
-0.6185567010309279 x 100 = -61.86%