-45.92% is the change from 993 to 537
Calculation steps:
[( 537 - 993 ) ÷ 993] x 100 = -45.92%
Formula
Percentage change = [(537 - 993) / 993] x 100
Subtract the new number by the original number
537 - 993 = -456
-456 ÷ 993 = -0.459214501510574
-0.459214501510574 x 100 = -45.92%