-4.3% is the change from 721 to 690
Calculation steps:
[( 690 - 721 ) ÷ 721] x 100 = -4.3%
Formula
Percentage change = [(690 - 721) / 721] x 100
Subtract the new number by the original number
690 - 721 = -31
-31 ÷ 721 = -0.04299583911234397
-0.04299583911234397 x 100 = -4.3%