-60.93% is the change from 993 to 388
Calculation steps:
[( 388 - 993 ) ÷ 993] x 100 = -60.93%
Formula
Percentage change = [(388 - 993) / 993] x 100
Subtract the new number by the original number
388 - 993 = -605
-605 ÷ 993 = -0.6092648539778449
-0.6092648539778449 x 100 = -60.93%