-46.69% is the change from 257 to 137
Calculation steps:
[( 137 - 257 ) ÷ 257] x 100 = -46.69%
Formula
Percentage change = [(137 - 257) / 257] x 100
Subtract the new number by the original number
137 - 257 = -120
-120 ÷ 257 = -0.4669260700389105
-0.4669260700389105 x 100 = -46.69%