-97.87% is the change from 891 to 19
Calculation steps:
[( 19 - 891 ) ÷ 891] x 100 = -97.87%
Formula
Percentage change = [(19 - 891) / 891] x 100
Subtract the new number by the original number
19 - 891 = -872
-872 ÷ 891 = -0.978675645342312
-0.978675645342312 x 100 = -97.87%