-20.34% is the change from 993 to 791
Calculation steps:
[( 791 - 993 ) ÷ 993] x 100 = -20.34%
Formula
Percentage change = [(791 - 993) / 993] x 100
Subtract the new number by the original number
791 - 993 = -202
-202 ÷ 993 = -0.20342396777442096
-0.20342396777442096 x 100 = -20.34%