-3.51% is the change from 770 to 743
Calculation steps:
[( 743 - 770 ) ÷ 770] x 100 = -3.51%
Formula
Percentage change = [(743 - 770) / 770] x 100
Subtract the new number by the original number
743 - 770 = -27
-27 ÷ 770 = -0.03506493506493506
-0.03506493506493506 x 100 = -3.51%