-3.1% is the change from 773 to 749
Calculation steps:
[( 749 - 773 ) ÷ 773] x 100 = -3.1%
Formula
Percentage change = [(749 - 773) / 773] x 100
Subtract the new number by the original number
749 - 773 = -24
-24 ÷ 773 = -0.031047865459249677
-0.031047865459249677 x 100 = -3.1%