-6.1% is the change from 721 to 677
Calculation steps:
[( 677 - 721 ) ÷ 721] x 100 = -6.1%
Formula
Percentage change = [(677 - 721) / 721] x 100
Subtract the new number by the original number
677 - 721 = -44
-44 ÷ 721 = -0.06102635228848821
-0.06102635228848821 x 100 = -6.1%