-98.83% is the change from 853 to 10
Calculation steps:
[( 10 - 853 ) ÷ 853] x 100 = -98.83%
Formula
Percentage change = [(10 - 853) / 853] x 100
Subtract the new number by the original number
10 - 853 = -843
-843 ÷ 853 = -0.9882766705744431
-0.9882766705744431 x 100 = -98.83%