-56.09% is the change from 993 to 436
Calculation steps:
[( 436 - 993 ) ÷ 993] x 100 = -56.09%
Formula
Percentage change = [(436 - 993) / 993] x 100
Subtract the new number by the original number
436 - 993 = -557
-557 ÷ 993 = -0.5609264853977844
-0.5609264853977844 x 100 = -56.09%