267.97% is the change from 256 to 942
Calculation steps:
[( 942 - 256 ) ÷ 256] x 100 = 267.97%
Formula
Percentage change = [(942 - 256) / 256] x 100
Subtract the new number by the original number
942 - 256 = 686
686 ÷ 256 = 2.6796875
2.6796875 x 100 = 267.97%