3000% is the change from 25 to 775
Calculation steps:
[( 775 - 25 ) ÷ 25] x 100 = 3000%
Formula
Percentage change = [(775 - 25) / 25] x 100
Subtract the new number by the original number
775 - 25 = 750
750 ÷ 25 = 30
30 x 100 = 3000%
Example