277.65% is the change from 255 to 963
Calculation steps:
[( 963 - 255 ) ÷ 255] x 100 = 277.65%
Formula
Percentage change = [(963 - 255) / 255] x 100
Subtract the new number by the original number
963 - 255 = 708
708 ÷ 255 = 2.776470588235294
2.776470588235294 x 100 = 277.65%