2660% is the change from 25 to 690
Calculation steps:
[( 690 - 25 ) ÷ 25] x 100 = 2660%
Formula
Percentage change = [(690 - 25) / 25] x 100
Subtract the new number by the original number
690 - 25 = 665
665 ÷ 25 = 26.6
26.6 x 100 = 2660%
Example