70.9% is the change from 268 to 458
Calculation steps:
[( 458 - 268 ) ÷ 268] x 100 = 70.9%
Formula
Percentage change = [(458 - 268) / 268] x 100
Subtract the new number by the original number
458 - 268 = 190
190 ÷ 268 = 0.7089552238805971
0.7089552238805971 x 100 = 70.9%