257.84% is the change from 268 to 959
Calculation steps:
[( 959 - 268 ) ÷ 268] x 100 = 257.84%
Formula
Percentage change = [(959 - 268) / 268] x 100
Subtract the new number by the original number
959 - 268 = 691
691 ÷ 268 = 2.578358208955224
2.578358208955224 x 100 = 257.84%