-99.21% is the change from 890 to 7
Calculation steps:
[( 7 - 890 ) ÷ 890] x 100 = -99.21%
Formula
Percentage change = [(7 - 890) / 890] x 100
Subtract the new number by the original number
7 - 890 = -883
-883 ÷ 890 = -0.9921348314606742
-0.9921348314606742 x 100 = -99.21%