175% is the change from 232 to 638
Calculation steps:
[( 638 - 232 ) ÷ 232] x 100 = 175%
Formula
Percentage change = [(638 - 232) / 232] x 100
Subtract the new number by the original number
638 - 232 = 406
406 ÷ 232 = 1.75
1.75 x 100 = 175%
Example