-40.8% is the change from 723 to 428
Calculation steps:
[( 428 - 723 ) ÷ 723] x 100 = -40.8%
Formula
Percentage change = [(428 - 723) / 723] x 100
Subtract the new number by the original number
428 - 723 = -295
-295 ÷ 723 = -0.40802213001383125
-0.40802213001383125 x 100 = -40.8%