56.03% is the change from 257 to 401
Calculation steps:
[( 401 - 257 ) ÷ 257] x 100 = 56.03%
Formula
Percentage change = [(401 - 257) / 257] x 100
Subtract the new number by the original number
401 - 257 = 144
144 ÷ 257 = 0.5603112840466926
0.5603112840466926 x 100 = 56.03%