-97.15% is the change from 877 to 25
Calculation steps:
[( 25 - 877 ) ÷ 877] x 100 = -97.15%
Formula
Percentage change = [(25 - 877) / 877] x 100
Subtract the new number by the original number
25 - 877 = -852
-852 ÷ 877 = -0.9714937286202965
-0.9714937286202965 x 100 = -97.15%