-2.36% is the change from 721 to 704
Calculation steps:
[( 704 - 721 ) ÷ 721] x 100 = -2.36%
Formula
Percentage change = [(704 - 721) / 721] x 100
Subtract the new number by the original number
704 - 721 = -17
-17 ÷ 721 = -0.023578363384188627
-0.023578363384188627 x 100 = -2.36%