-97.06% is the change from 849 to 25
Calculation steps:
[( 25 - 849 ) ÷ 849] x 100 = -97.06%
Formula
Percentage change = [(25 - 849) / 849] x 100
Subtract the new number by the original number
25 - 849 = -824
-824 ÷ 849 = -0.9705535924617197
-0.9705535924617197 x 100 = -97.06%