41.65% is the change from 581 to 823
Calculation steps:
[( 823 - 581 ) ÷ 581] x 100 = 41.65%
Formula
Percentage change = [(823 - 581) / 581] x 100
Subtract the new number by the original number
823 - 581 = 242
242 ÷ 581 = 0.4165232358003442
0.4165232358003442 x 100 = 41.65%