-95.77% is the change from 993 to 42
Calculation steps:
[( 42 - 993 ) ÷ 993] x 100 = -95.77%
Formula
Percentage change = [(42 - 993) / 993] x 100
Subtract the new number by the original number
42 - 993 = -951
-951 ÷ 993 = -0.9577039274924471
-0.9577039274924471 x 100 = -95.77%