-85.7% is the change from 993 to 142
Calculation steps:
[( 142 - 993 ) ÷ 993] x 100 = -85.7%
Formula
Percentage change = [(142 - 993) / 993] x 100
Subtract the new number by the original number
142 - 993 = -851
-851 ÷ 993 = -0.8569989929506546
-0.8569989929506546 x 100 = -85.7%