48.13% is the change from 268 to 397
Calculation steps:
[( 397 - 268 ) ÷ 268] x 100 = 48.13%
Formula
Percentage change = [(397 - 268) / 268] x 100
Subtract the new number by the original number
397 - 268 = 129
129 ÷ 268 = 0.48134328358208955
0.48134328358208955 x 100 = 48.13%