-76.94% is the change from 993 to 229
Calculation steps:
[( 229 - 993 ) ÷ 993] x 100 = -76.94%
Formula
Percentage change = [(229 - 993) / 993] x 100
Subtract the new number by the original number
229 - 993 = -764
-764 ÷ 993 = -0.7693856998992951
-0.7693856998992951 x 100 = -76.94%