-97.98% is the change from 890 to 18
Calculation steps:
[( 18 - 890 ) ÷ 890] x 100 = -97.98%
Formula
Percentage change = [(18 - 890) / 890] x 100
Subtract the new number by the original number
18 - 890 = -872
-872 ÷ 890 = -0.9797752808988764
-0.9797752808988764 x 100 = -97.98%