-41.33% is the change from 721 to 423
Calculation steps:
[( 423 - 721 ) ÷ 721] x 100 = -41.33%
Formula
Percentage change = [(423 - 721) / 721] x 100
Subtract the new number by the original number
423 - 721 = -298
-298 ÷ 721 = -0.4133148404993065
-0.4133148404993065 x 100 = -41.33%