-96.92% is the change from 811 to 25
Calculation steps:
[( 25 - 811 ) ÷ 811] x 100 = -96.92%
Formula
Percentage change = [(25 - 811) / 811] x 100
Subtract the new number by the original number
25 - 811 = -786
-786 ÷ 811 = -0.969173859432799
-0.969173859432799 x 100 = -96.92%