-53.78% is the change from 993 to 459
Calculation steps:
[( 459 - 993 ) ÷ 993] x 100 = -53.78%
Formula
Percentage change = [(459 - 993) / 993] x 100
Subtract the new number by the original number
459 - 993 = -534
-534 ÷ 993 = -0.5377643504531722
-0.5377643504531722 x 100 = -53.78%