257.46% is the change from 268 to 958
Calculation steps:
[( 958 - 268 ) ÷ 268] x 100 = 257.46%
Formula
Percentage change = [(958 - 268) / 268] x 100
Subtract the new number by the original number
958 - 268 = 690
690 ÷ 268 = 2.574626865671642
2.574626865671642 x 100 = 257.46%