18.16% is the change from 391 to 462
Calculation steps:
[( 462 - 391 ) ÷ 391] x 100 = 18.16%
Formula
Percentage change = [(462 - 391) / 391] x 100
Subtract the new number by the original number
462 - 391 = 71
71 ÷ 391 = 0.1815856777493606
0.1815856777493606 x 100 = 18.16%