1040% is the change from 25 to 285
Calculation steps:
[( 285 - 25 ) ÷ 25] x 100 = 1040%
Formula
Percentage change = [(285 - 25) / 25] x 100
Subtract the new number by the original number
285 - 25 = 260
260 ÷ 25 = 10.4
10.4 x 100 = 1040%
Example