-19.56% is the change from 900 to 724
Calculation steps:
[( 724 - 900 ) ÷ 900] x 100 = -19.56%
Formula
Percentage change = [(724 - 900) / 900] x 100
Subtract the new number by the original number
724 - 900 = -176
-176 ÷ 900 = -0.19555555555555557
-0.19555555555555557 x 100 = -19.56%