63.91% is the change from 338 to 554
Calculation steps:
[( 554 - 338 ) ÷ 338] x 100 = 63.91%
Formula
Percentage change = [(554 - 338) / 338] x 100
Subtract the new number by the original number
554 - 338 = 216
216 ÷ 338 = 0.6390532544378699
0.6390532544378699 x 100 = 63.91%