-41.91% is the change from 723 to 420
Calculation steps:
[( 420 - 723 ) ÷ 723] x 100 = -41.91%
Formula
Percentage change = [(420 - 723) / 723] x 100
Subtract the new number by the original number
420 - 723 = -303
-303 ÷ 723 = -0.4190871369294606
-0.4190871369294606 x 100 = -41.91%