-16.64% is the change from 721 to 601
Calculation steps:
[( 601 - 721 ) ÷ 721] x 100 = -16.64%
Formula
Percentage change = [(601 - 721) / 721] x 100
Subtract the new number by the original number
601 - 721 = -120
-120 ÷ 721 = -0.1664355062413315
-0.1664355062413315 x 100 = -16.64%