27750% is the change from 2 to 557
Calculation steps:
[( 557 - 2 ) ÷ 2] x 100 = 27750%
Formula
Percentage change = [(557 - 2) / 2] x 100
Subtract the new number by the original number
557 - 2 = 555
555 ÷ 2 = 277.5
277.5 x 100 = 27750%
Example