252.55% is the change from 255 to 899
Calculation steps:
[( 899 - 255 ) ÷ 255] x 100 = 252.55%
Formula
Percentage change = [(899 - 255) / 255] x 100
Subtract the new number by the original number
899 - 255 = 644
644 ÷ 255 = 2.5254901960784313
2.5254901960784313 x 100 = 252.55%