-59.52% is the change from 993 to 402
Calculation steps:
[( 402 - 993 ) ÷ 993] x 100 = -59.52%
Formula
Percentage change = [(402 - 993) / 993] x 100
Subtract the new number by the original number
402 - 993 = -591
-591 ÷ 993 = -0.595166163141994
-0.595166163141994 x 100 = -59.52%