-76.38% is the change from 724 to 171
Calculation steps:
[( 171 - 724 ) ÷ 724] x 100 = -76.38%
Formula
Percentage change = [(171 - 724) / 724] x 100
Subtract the new number by the original number
171 - 724 = -553
-553 ÷ 724 = -0.7638121546961326
-0.7638121546961326 x 100 = -76.38%