65.09% is the change from 338 to 558
Calculation steps:
[( 558 - 338 ) ÷ 338] x 100 = 65.09%
Formula
Percentage change = [(558 - 338) / 338] x 100
Subtract the new number by the original number
558 - 338 = 220
220 ÷ 338 = 0.650887573964497
0.650887573964497 x 100 = 65.09%