-15.53% is the change from 721 to 609
Calculation steps:
[( 609 - 721 ) ÷ 721] x 100 = -15.53%
Formula
Percentage change = [(609 - 721) / 721] x 100
Subtract the new number by the original number
609 - 721 = -112
-112 ÷ 721 = -0.1553398058252427
-0.1553398058252427 x 100 = -15.53%