-61.74% is the change from 677 to 259
Calculation steps:
[( 259 - 677 ) ÷ 677] x 100 = -61.74%
Formula
Percentage change = [(259 - 677) / 677] x 100
Subtract the new number by the original number
259 - 677 = -418
-418 ÷ 677 = -0.6174298375184638
-0.6174298375184638 x 100 = -61.74%