-14.7% is the change from 993 to 847
Calculation steps:
[( 847 - 993 ) ÷ 993] x 100 = -14.7%
Formula
Percentage change = [(847 - 993) / 993] x 100
Subtract the new number by the original number
847 - 993 = -146
-146 ÷ 993 = -0.1470292044310171
-0.1470292044310171 x 100 = -14.7%