-99.78% is the change from 891 to 2
Calculation steps:
[( 2 - 891 ) ÷ 891] x 100 = -99.78%
Formula
Percentage change = [(2 - 891) / 891] x 100
Subtract the new number by the original number
2 - 891 = -889
-889 ÷ 891 = -0.9977553310886644
-0.9977553310886644 x 100 = -99.78%