236.86% is the change from 255 to 859
Calculation steps:
[( 859 - 255 ) ÷ 255] x 100 = 236.86%
Formula
Percentage change = [(859 - 255) / 255] x 100
Subtract the new number by the original number
859 - 255 = 604
604 ÷ 255 = 2.368627450980392
2.368627450980392 x 100 = 236.86%