115.56% is the change from 257 to 554
Calculation steps:
[( 554 - 257 ) ÷ 257] x 100 = 115.56%
Formula
Percentage change = [(554 - 257) / 257] x 100
Subtract the new number by the original number
554 - 257 = 297
297 ÷ 257 = 1.1556420233463034
1.1556420233463034 x 100 = 115.56%