-12.94% is the change from 773 to 673
Calculation steps:
[( 673 - 773 ) ÷ 773] x 100 = -12.94%
Formula
Percentage change = [(673 - 773) / 773] x 100
Subtract the new number by the original number
673 - 773 = -100
-100 ÷ 773 = -0.129366106080207
-0.129366106080207 x 100 = -12.94%