-79.66% is the change from 993 to 202
Calculation steps:
[( 202 - 993 ) ÷ 993] x 100 = -79.66%
Formula
Percentage change = [(202 - 993) / 993] x 100
Subtract the new number by the original number
202 - 993 = -791
-791 ÷ 993 = -0.796576032225579
-0.796576032225579 x 100 = -79.66%