-85.6% is the change from 993 to 143
Calculation steps:
[( 143 - 993 ) ÷ 993] x 100 = -85.6%
Formula
Percentage change = [(143 - 993) / 993] x 100
Subtract the new number by the original number
143 - 993 = -850
-850 ÷ 993 = -0.8559919436052367
-0.8559919436052367 x 100 = -85.6%