-4.28% is the change from 257 to 246
Calculation steps:
[( 246 - 257 ) ÷ 257] x 100 = -4.28%
Formula
Percentage change = [(246 - 257) / 257] x 100
Subtract the new number by the original number
246 - 257 = -11
-11 ÷ 257 = -0.042801556420233464
-0.042801556420233464 x 100 = -4.28%