-32.3% is the change from 743 to 503
Calculation steps:
[( 503 - 743 ) ÷ 743] x 100 = -32.3%
Formula
Percentage change = [(503 - 743) / 743] x 100
Subtract the new number by the original number
503 - 743 = -240
-240 ÷ 743 = -0.32301480484522205
-0.32301480484522205 x 100 = -32.3%