-68.34% is the change from 818 to 259
Calculation steps:
[( 259 - 818 ) ÷ 818] x 100 = -68.34%
Formula
Percentage change = [(259 - 818) / 818] x 100
Subtract the new number by the original number
259 - 818 = -559
-559 ÷ 818 = -0.6833740831295844
-0.6833740831295844 x 100 = -68.34%