-96.86% is the change from 891 to 28
Calculation steps:
[( 28 - 891 ) ÷ 891] x 100 = -96.86%
Formula
Percentage change = [(28 - 891) / 891] x 100
Subtract the new number by the original number
28 - 891 = -863
-863 ÷ 891 = -0.9685746352413019
-0.9685746352413019 x 100 = -96.86%