234.88% is the change from 258 to 864
Calculation steps:
[( 864 - 258 ) ÷ 258] x 100 = 234.88%
Formula
Percentage change = [(864 - 258) / 258] x 100
Subtract the new number by the original number
864 - 258 = 606
606 ÷ 258 = 2.3488372093023258
2.3488372093023258 x 100 = 234.88%