-96.81% is the change from 877 to 28
Calculation steps:
[( 28 - 877 ) ÷ 877] x 100 = -96.81%
Formula
Percentage change = [(28 - 877) / 877] x 100
Subtract the new number by the original number
28 - 877 = -849
-849 ÷ 877 = -0.9680729760547321
-0.9680729760547321 x 100 = -96.81%