-39.77% is the change from 259 to 156
Calculation steps:
[( 156 - 259 ) ÷ 259] x 100 = -39.77%
Formula
Percentage change = [(156 - 259) / 259] x 100
Subtract the new number by the original number
156 - 259 = -103
-103 ÷ 259 = -0.39768339768339767
-0.39768339768339767 x 100 = -39.77%