259.57% is the change from 235 to 845
Calculation steps:
[( 845 - 235 ) ÷ 235] x 100 = 259.57%
Formula
Percentage change = [(845 - 235) / 235] x 100
Subtract the new number by the original number
845 - 235 = 610
610 ÷ 235 = 2.595744680851064
2.595744680851064 x 100 = 259.57%