-15.95% is the change from 721 to 606
Calculation steps:
[( 606 - 721 ) ÷ 721] x 100 = -15.95%
Formula
Percentage change = [(606 - 721) / 721] x 100
Subtract the new number by the original number
606 - 721 = -115
-115 ÷ 721 = -0.15950069348127602
-0.15950069348127602 x 100 = -15.95%