1920% is the change from 25 to 505
Calculation steps:
[( 505 - 25 ) ÷ 25] x 100 = 1920%
Formula
Percentage change = [(505 - 25) / 25] x 100
Subtract the new number by the original number
505 - 25 = 480
480 ÷ 25 = 19.2
19.2 x 100 = 1920%
Example