105.54% is the change from 271 to 557
Calculation steps:
[( 557 - 271 ) ÷ 271] x 100 = 105.54%
Formula
Percentage change = [(557 - 271) / 271] x 100
Subtract the new number by the original number
557 - 271 = 286
286 ÷ 271 = 1.055350553505535
1.055350553505535 x 100 = 105.54%