-59.72% is the change from 993 to 400
Calculation steps:
[( 400 - 993 ) ÷ 993] x 100 = -59.72%
Formula
Percentage change = [(400 - 993) / 993] x 100
Subtract the new number by the original number
400 - 993 = -593
-593 ÷ 993 = -0.5971802618328298
-0.5971802618328298 x 100 = -59.72%