-69.67% is the change from 854 to 259
Calculation steps:
[( 259 - 854 ) ÷ 854] x 100 = -69.67%
Formula
Percentage change = [(259 - 854) / 854] x 100
Subtract the new number by the original number
259 - 854 = -595
-595 ÷ 854 = -0.6967213114754098
-0.6967213114754098 x 100 = -69.67%