1636% is the change from 25 to 434
Calculation steps:
[( 434 - 25 ) ÷ 25] x 100 = 1636%
Formula
Percentage change = [(434 - 25) / 25] x 100
Subtract the new number by the original number
434 - 25 = 409
409 ÷ 25 = 16.36
16.36 x 100 = 1636%
Example