-48.51% is the change from 268 to 138
Calculation steps:
[( 138 - 268 ) ÷ 268] x 100 = -48.51%
Formula
Percentage change = [(138 - 268) / 268] x 100
Subtract the new number by the original number
138 - 268 = -130
-130 ÷ 268 = -0.48507462686567165
-0.48507462686567165 x 100 = -48.51%