113.18% is the change from 258 to 550
Calculation steps:
[( 550 - 258 ) ÷ 258] x 100 = 113.18%
Formula
Percentage change = [(550 - 258) / 258] x 100
Subtract the new number by the original number
550 - 258 = 292
292 ÷ 258 = 1.1317829457364341
1.1317829457364341 x 100 = 113.18%