-89.58% is the change from 259 to 27
Calculation steps:
[( 27 - 259 ) ÷ 259] x 100 = -89.58%
Formula
Percentage change = [(27 - 259) / 259] x 100
Subtract the new number by the original number
27 - 259 = -232
-232 ÷ 259 = -0.8957528957528957
-0.8957528957528957 x 100 = -89.58%