8440% is the change from 10 to 854
Calculation steps:
[( 854 - 10 ) ÷ 10] x 100 = 8440%
Formula
Percentage change = [(854 - 10) / 10] x 100
Subtract the new number by the original number
854 - 10 = 844
844 ÷ 10 = 84.4
84.4 x 100 = 8440%
Example