3156% is the change from 25 to 814
Calculation steps:
[( 814 - 25 ) ÷ 25] x 100 = 3156%
Formula
Percentage change = [(814 - 25) / 25] x 100
Subtract the new number by the original number
814 - 25 = 789
789 ÷ 25 = 31.56
31.56 x 100 = 3156%
Example