27.99% is the change from 268 to 343
Calculation steps:
[( 343 - 268 ) ÷ 268] x 100 = 27.99%
Formula
Percentage change = [(343 - 268) / 268] x 100
Subtract the new number by the original number
343 - 268 = 75
75 ÷ 268 = 0.2798507462686567
0.2798507462686567 x 100 = 27.99%