-88.48% is the change from 868 to 100
Calculation steps:
[( 100 - 868 ) ÷ 868] x 100 = -88.48%
Formula
Percentage change = [(100 - 868) / 868] x 100
Subtract the new number by the original number
100 - 868 = -768
-768 ÷ 868 = -0.8847926267281107
-0.8847926267281107 x 100 = -88.48%