-92.04% is the change from 993 to 79
Calculation steps:
[( 79 - 993 ) ÷ 993] x 100 = -92.04%
Formula
Percentage change = [(79 - 993) / 993] x 100
Subtract the new number by the original number
79 - 993 = -914
-914 ÷ 993 = -0.9204431017119838
-0.9204431017119838 x 100 = -92.04%