-2.49% is the change from 723 to 705
Calculation steps:
[( 705 - 723 ) ÷ 723] x 100 = -2.49%
Formula
Percentage change = [(705 - 723) / 723] x 100
Subtract the new number by the original number
705 - 723 = -18
-18 ÷ 723 = -0.024896265560165973
-0.024896265560165973 x 100 = -2.49%