-98.31% is the change from 890 to 15
Calculation steps:
[( 15 - 890 ) ÷ 890] x 100 = -98.31%
Formula
Percentage change = [(15 - 890) / 890] x 100
Subtract the new number by the original number
15 - 890 = -875
-875 ÷ 890 = -0.9831460674157303
-0.9831460674157303 x 100 = -98.31%