248.24% is the change from 255 to 888
Calculation steps:
[( 888 - 255 ) ÷ 255] x 100 = 248.24%
Formula
Percentage change = [(888 - 255) / 255] x 100
Subtract the new number by the original number
888 - 255 = 633
633 ÷ 255 = 2.4823529411764707
2.4823529411764707 x 100 = 248.24%