-85.1% is the change from 993 to 148
Calculation steps:
[( 148 - 993 ) ÷ 993] x 100 = -85.1%
Formula
Percentage change = [(148 - 993) / 993] x 100
Subtract the new number by the original number
148 - 993 = -845
-845 ÷ 993 = -0.850956696878147
-0.850956696878147 x 100 = -85.1%