-96.98% is the change from 828 to 25
Calculation steps:
[( 25 - 828 ) ÷ 828] x 100 = -96.98%
Formula
Percentage change = [(25 - 828) / 828] x 100
Subtract the new number by the original number
25 - 828 = -803
-803 ÷ 828 = -0.9698067632850241
-0.9698067632850241 x 100 = -96.98%