272.27% is the change from 256 to 953
Calculation steps:
[( 953 - 256 ) ÷ 256] x 100 = 272.27%
Formula
Percentage change = [(953 - 256) / 256] x 100
Subtract the new number by the original number
953 - 256 = 697
697 ÷ 256 = 2.72265625
2.72265625 x 100 = 272.27%