1000% is the change from 75 to 825
Calculation steps:
[( 825 - 75 ) ÷ 75] x 100 = 1000%
Formula
Percentage change = [(825 - 75) / 75] x 100
Subtract the new number by the original number
825 - 75 = 750
750 ÷ 75 = 10
10 x 100 = 1000%
Example