2620% is the change from 25 to 680
Calculation steps:
[( 680 - 25 ) ÷ 25] x 100 = 2620%
Formula
Percentage change = [(680 - 25) / 25] x 100
Subtract the new number by the original number
680 - 25 = 655
655 ÷ 25 = 26.2
26.2 x 100 = 2620%
Example