288.67% is the change from 256 to 995
Calculation steps:
[( 995 - 256 ) ÷ 256] x 100 = 288.67%
Formula
Percentage change = [(995 - 256) / 256] x 100
Subtract the new number by the original number
995 - 256 = 739
739 ÷ 256 = 2.88671875
2.88671875 x 100 = 288.67%