5900% is the change from 11 to 660
Calculation steps:
[( 660 - 11 ) ÷ 11] x 100 = 5900%
Formula
Percentage change = [(660 - 11) / 11] x 100
Subtract the new number by the original number
660 - 11 = 649
649 ÷ 11 = 59
59 x 100 = 5900%
Example