177.39% is the change from 230 to 638
Calculation steps:
[( 638 - 230 ) ÷ 230] x 100 = 177.39%
Formula
Percentage change = [(638 - 230) / 230] x 100
Subtract the new number by the original number
638 - 230 = 408
408 ÷ 230 = 1.7739130434782608
1.7739130434782608 x 100 = 177.39%