-52.17% is the change from 993 to 475
Calculation steps:
[( 475 - 993 ) ÷ 993] x 100 = -52.17%
Formula
Percentage change = [(475 - 993) / 993] x 100
Subtract the new number by the original number
475 - 993 = -518
-518 ÷ 993 = -0.5216515609264853
-0.5216515609264853 x 100 = -52.17%