103.88% is the change from 258 to 526
Calculation steps:
[( 526 - 258 ) ÷ 258] x 100 = 103.88%
Formula
Percentage change = [(526 - 258) / 258] x 100
Subtract the new number by the original number
526 - 258 = 268
268 ÷ 258 = 1.0387596899224807
1.0387596899224807 x 100 = 103.88%