-46.12% is the change from 258 to 139
Calculation steps:
[( 139 - 258 ) ÷ 258] x 100 = -46.12%
Formula
Percentage change = [(139 - 258) / 258] x 100
Subtract the new number by the original number
139 - 258 = -119
-119 ÷ 258 = -0.46124031007751937
-0.46124031007751937 x 100 = -46.12%