17.42% is the change from 333 to 391
Calculation steps:
[( 391 - 333 ) ÷ 333] x 100 = 17.42%
Formula
Percentage change = [(391 - 333) / 333] x 100
Subtract the new number by the original number
391 - 333 = 58
58 ÷ 333 = 0.17417417417417416
0.17417417417417416 x 100 = 17.42%