-71.1% is the change from 993 to 287
Calculation steps:
[( 287 - 993 ) ÷ 993] x 100 = -71.1%
Formula
Percentage change = [(287 - 993) / 993] x 100
Subtract the new number by the original number
287 - 993 = -706
-706 ÷ 993 = -0.7109768378650554
-0.7109768378650554 x 100 = -71.1%