-8.74% is the change from 721 to 658
Calculation steps:
[( 658 - 721 ) ÷ 721] x 100 = -8.74%
Formula
Percentage change = [(658 - 721) / 721] x 100
Subtract the new number by the original number
658 - 721 = -63
-63 ÷ 721 = -0.08737864077669903
-0.08737864077669903 x 100 = -8.74%