800% is the change from 25 to 225
Calculation steps:
[( 225 - 25 ) ÷ 25] x 100 = 800%
Formula
Percentage change = [(225 - 25) / 25] x 100
Subtract the new number by the original number
225 - 25 = 200
200 ÷ 25 = 8
8 x 100 = 800%
Example