-92.85% is the change from 923 to 66
Calculation steps:
[( 66 - 923 ) ÷ 923] x 100 = -92.85%
Formula
Percentage change = [(66 - 923) / 923] x 100
Subtract the new number by the original number
66 - 923 = -857
-857 ÷ 923 = -0.9284940411700975
-0.9284940411700975 x 100 = -92.85%