269.41% is the change from 255 to 942
Calculation steps:
[( 942 - 255 ) ÷ 255] x 100 = 269.41%
Formula
Percentage change = [(942 - 255) / 255] x 100
Subtract the new number by the original number
942 - 255 = 687
687 ÷ 255 = 2.6941176470588237
2.6941176470588237 x 100 = 269.41%