-96.14% is the change from 259 to 10
Calculation steps:
[( 10 - 259 ) ÷ 259] x 100 = -96.14%
Formula
Percentage change = [(10 - 259) / 259] x 100
Subtract the new number by the original number
10 - 259 = -249
-249 ÷ 259 = -0.9613899613899614
-0.9613899613899614 x 100 = -96.14%