-71.4% is the change from 993 to 284
Calculation steps:
[( 284 - 993 ) ÷ 993] x 100 = -71.4%
Formula
Percentage change = [(284 - 993) / 993] x 100
Subtract the new number by the original number
284 - 993 = -709
-709 ÷ 993 = -0.7139979859013091
-0.7139979859013091 x 100 = -71.4%