-85.25% is the change from 990 to 146
Calculation steps:
[( 146 - 990 ) ÷ 990] x 100 = -85.25%
Formula
Percentage change = [(146 - 990) / 990] x 100
Subtract the new number by the original number
146 - 990 = -844
-844 ÷ 990 = -0.8525252525252526
-0.8525252525252526 x 100 = -85.25%