-14.4% is the change from 993 to 850
Calculation steps:
[( 850 - 993 ) ÷ 993] x 100 = -14.4%
Formula
Percentage change = [(850 - 993) / 993] x 100
Subtract the new number by the original number
850 - 993 = -143
-143 ÷ 993 = -0.14400805639476336
-0.14400805639476336 x 100 = -14.4%