-85.3% is the change from 993 to 146
Calculation steps:
[( 146 - 993 ) ÷ 993] x 100 = -85.3%
Formula
Percentage change = [(146 - 993) / 993] x 100
Subtract the new number by the original number
146 - 993 = -847
-847 ÷ 993 = -0.8529707955689829
-0.8529707955689829 x 100 = -85.3%