-48.13% is the change from 268 to 139
Calculation steps:
[( 139 - 268 ) ÷ 268] x 100 = -48.13%
Formula
Percentage change = [(139 - 268) / 268] x 100
Subtract the new number by the original number
139 - 268 = -129
-129 ÷ 268 = -0.48134328358208955
-0.48134328358208955 x 100 = -48.13%