-92.58% is the change from 890 to 66
Calculation steps:
[( 66 - 890 ) ÷ 890] x 100 = -92.58%
Formula
Percentage change = [(66 - 890) / 890] x 100
Subtract the new number by the original number
66 - 890 = -824
-824 ÷ 890 = -0.9258426966292135
-0.9258426966292135 x 100 = -92.58%