71.89% is the change from 338 to 581
Calculation steps:
[( 581 - 338 ) ÷ 338] x 100 = 71.89%
Formula
Percentage change = [(581 - 338) / 338] x 100
Subtract the new number by the original number
581 - 338 = 243
243 ÷ 338 = 0.7189349112426036
0.7189349112426036 x 100 = 71.89%