2637.5% is the change from 24 to 657
Calculation steps:
[( 657 - 24 ) ÷ 24] x 100 = 2637.5%
Formula
Percentage change = [(657 - 24) / 24] x 100
Subtract the new number by the original number
657 - 24 = 633
633 ÷ 24 = 26.375
26.375 x 100 = 2637.5%
Example