2650% is the change from 24 to 660
Calculation steps:
[( 660 - 24 ) ÷ 24] x 100 = 2650%
Formula
Percentage change = [(660 - 24) / 24] x 100
Subtract the new number by the original number
660 - 24 = 636
636 ÷ 24 = 26.5
26.5 x 100 = 2650%
Example