-22.66% is the change from 993 to 768
Calculation steps:
[( 768 - 993 ) ÷ 993] x 100 = -22.66%
Formula
Percentage change = [(768 - 993) / 993] x 100
Subtract the new number by the original number
768 - 993 = -225
-225 ÷ 993 = -0.22658610271903323
-0.22658610271903323 x 100 = -22.66%