-96.98% is the change from 829 to 25
Calculation steps:
[( 25 - 829 ) ÷ 829] x 100 = -96.98%
Formula
Percentage change = [(25 - 829) / 829] x 100
Subtract the new number by the original number
25 - 829 = -804
-804 ÷ 829 = -0.9698431845597105
-0.9698431845597105 x 100 = -96.98%