115.5% is the change from 258 to 556
Calculation steps:
[( 556 - 258 ) ÷ 258] x 100 = 115.5%
Formula
Percentage change = [(556 - 258) / 258] x 100
Subtract the new number by the original number
556 - 258 = 298
298 ÷ 258 = 1.1550387596899225
1.1550387596899225 x 100 = 115.5%