39.18% is the change from 291 to 405
Calculation steps:
[( 405 - 291 ) ÷ 291] x 100 = 39.18%
Formula
Percentage change = [(405 - 291) / 291] x 100
Subtract the new number by the original number
405 - 291 = 114
114 ÷ 291 = 0.3917525773195876
0.3917525773195876 x 100 = 39.18%