-82.15% is the change from 891 to 159
Calculation steps:
[( 159 - 891 ) ÷ 891] x 100 = -82.15%
Formula
Percentage change = [(159 - 891) / 891] x 100
Subtract the new number by the original number
159 - 891 = -732
-732 ÷ 891 = -0.8215488215488216
-0.8215488215488216 x 100 = -82.15%