-86.87% is the change from 891 to 117
Calculation steps:
[( 117 - 891 ) ÷ 891] x 100 = -86.87%
Formula
Percentage change = [(117 - 891) / 891] x 100
Subtract the new number by the original number
117 - 891 = -774
-774 ÷ 891 = -0.8686868686868687
-0.8686868686868687 x 100 = -86.87%