8150% is the change from 10 to 825
Calculation steps:
[( 825 - 10 ) ÷ 10] x 100 = 8150%
Formula
Percentage change = [(825 - 10) / 10] x 100
Subtract the new number by the original number
825 - 10 = 815
815 ÷ 10 = 81.5
81.5 x 100 = 8150%
Example