274.51% is the change from 255 to 955
Calculation steps:
[( 955 - 255 ) ÷ 255] x 100 = 274.51%
Formula
Percentage change = [(955 - 255) / 255] x 100
Subtract the new number by the original number
955 - 255 = 700
700 ÷ 255 = 2.7450980392156863
2.7450980392156863 x 100 = 274.51%