72.78% is the change from 338 to 584
Calculation steps:
[( 584 - 338 ) ÷ 338] x 100 = 72.78%
Formula
Percentage change = [(584 - 338) / 338] x 100
Subtract the new number by the original number
584 - 338 = 246
246 ÷ 338 = 0.727810650887574
0.727810650887574 x 100 = 72.78%