-39.53% is the change from 258 to 156
Calculation steps:
[( 156 - 258 ) ÷ 258] x 100 = -39.53%
Formula
Percentage change = [(156 - 258) / 258] x 100
Subtract the new number by the original number
156 - 258 = -102
-102 ÷ 258 = -0.3953488372093023
-0.3953488372093023 x 100 = -39.53%