-46.83% is the change from 993 to 528
Calculation steps:
[( 528 - 993 ) ÷ 993] x 100 = -46.83%
Formula
Percentage change = [(528 - 993) / 993] x 100
Subtract the new number by the original number
528 - 993 = -465
-465 ÷ 993 = -0.46827794561933533
-0.46827794561933533 x 100 = -46.83%