68.53% is the change from 232 to 391
Calculation steps:
[( 391 - 232 ) ÷ 232] x 100 = 68.53%
Formula
Percentage change = [(391 - 232) / 232] x 100
Subtract the new number by the original number
391 - 232 = 159
159 ÷ 232 = 0.6853448275862069
0.6853448275862069 x 100 = 68.53%