249.8% is the change from 255 to 892
Calculation steps:
[( 892 - 255 ) ÷ 255] x 100 = 249.8%
Formula
Percentage change = [(892 - 255) / 255] x 100
Subtract the new number by the original number
892 - 255 = 637
637 ÷ 255 = 2.4980392156862745
2.4980392156862745 x 100 = 249.8%