4900% is the change from 11 to 550
Calculation steps:
[( 550 - 11 ) ÷ 11] x 100 = 4900%
Formula
Percentage change = [(550 - 11) / 11] x 100
Subtract the new number by the original number
550 - 11 = 539
539 ÷ 11 = 49
49 x 100 = 4900%
Example