45.9% is the change from 268 to 391
Calculation steps:
[( 391 - 268 ) ÷ 268] x 100 = 45.9%
Formula
Percentage change = [(391 - 268) / 268] x 100
Subtract the new number by the original number
391 - 268 = 123
123 ÷ 268 = 0.458955223880597
0.458955223880597 x 100 = 45.9%