-40.54% is the change from 259 to 154
Calculation steps:
[( 154 - 259 ) ÷ 259] x 100 = -40.54%
Formula
Percentage change = [(154 - 259) / 259] x 100
Subtract the new number by the original number
154 - 259 = -105
-105 ÷ 259 = -0.40540540540540543
-0.40540540540540543 x 100 = -40.54%