-55.6% is the change from 259 to 115
Calculation steps:
[( 115 - 259 ) ÷ 259] x 100 = -55.6%
Formula
Percentage change = [(115 - 259) / 259] x 100
Subtract the new number by the original number
115 - 259 = -144
-144 ÷ 259 = -0.555984555984556
-0.555984555984556 x 100 = -55.6%