-45.82% is the change from 993 to 538
Calculation steps:
[( 538 - 993 ) ÷ 993] x 100 = -45.82%
Formula
Percentage change = [(538 - 993) / 993] x 100
Subtract the new number by the original number
538 - 993 = -455
-455 ÷ 993 = -0.45820745216515607
-0.45820745216515607 x 100 = -45.82%