256.28% is the change from 231 to 823
Calculation steps:
[( 823 - 231 ) ÷ 231] x 100 = 256.28%
Formula
Percentage change = [(823 - 231) / 231] x 100
Subtract the new number by the original number
823 - 231 = 592
592 ÷ 231 = 2.5627705627705626
2.5627705627705626 x 100 = 256.28%