-5.06% is the change from 257 to 244
Calculation steps:
[( 244 - 257 ) ÷ 257] x 100 = -5.06%
Formula
Percentage change = [(244 - 257) / 257] x 100
Subtract the new number by the original number
244 - 257 = -13
-13 ÷ 257 = -0.05058365758754864
-0.05058365758754864 x 100 = -5.06%