-72.81% is the change from 993 to 270
Calculation steps:
[( 270 - 993 ) ÷ 993] x 100 = -72.81%
Formula
Percentage change = [(270 - 993) / 993] x 100
Subtract the new number by the original number
270 - 993 = -723
-723 ÷ 993 = -0.7280966767371602
-0.7280966767371602 x 100 = -72.81%