278.43% is the change from 255 to 965
Calculation steps:
[( 965 - 255 ) ÷ 255] x 100 = 278.43%
Formula
Percentage change = [(965 - 255) / 255] x 100
Subtract the new number by the original number
965 - 255 = 710
710 ÷ 255 = 2.784313725490196
2.784313725490196 x 100 = 278.43%