-7.12% is the change from 800 to 743
Calculation steps:
[( 743 - 800 ) ÷ 800] x 100 = -7.12%
Formula
Percentage change = [(743 - 800) / 800] x 100
Subtract the new number by the original number
743 - 800 = -57
-57 ÷ 800 = -0.07125
-0.07125 x 100 = -7.12%