-21.13% is the change from 918 to 724
Calculation steps:
[( 724 - 918 ) ÷ 918] x 100 = -21.13%
Formula
Percentage change = [(724 - 918) / 918] x 100
Subtract the new number by the original number
724 - 918 = -194
-194 ÷ 918 = -0.2113289760348584
-0.2113289760348584 x 100 = -21.13%