1680% is the change from 25 to 445
Calculation steps:
[( 445 - 25 ) ÷ 25] x 100 = 1680%
Formula
Percentage change = [(445 - 25) / 25] x 100
Subtract the new number by the original number
445 - 25 = 420
420 ÷ 25 = 16.8
16.8 x 100 = 1680%
Example