40.41% is the change from 584 to 820
Calculation steps:
[( 820 - 584 ) ÷ 584] x 100 = 40.41%
Formula
Percentage change = [(820 - 584) / 584] x 100
Subtract the new number by the original number
820 - 584 = 236
236 ÷ 584 = 0.4041095890410959
0.4041095890410959 x 100 = 40.41%