256.65% is the change from 233 to 831
Calculation steps:
[( 831 - 233 ) ÷ 233] x 100 = 256.65%
Formula
Percentage change = [(831 - 233) / 233] x 100
Subtract the new number by the original number
831 - 233 = 598
598 ÷ 233 = 2.5665236051502145
2.5665236051502145 x 100 = 256.65%