81.11% is the change from 323 to 585
Calculation steps:
[( 585 - 323 ) ÷ 323] x 100 = 81.11%
Formula
Percentage change = [(585 - 323) / 323] x 100
Subtract the new number by the original number
585 - 323 = 262
262 ÷ 323 = 0.8111455108359134
0.8111455108359134 x 100 = 81.11%