-76.52% is the change from 724 to 170
Calculation steps:
[( 170 - 724 ) ÷ 724] x 100 = -76.52%
Formula
Percentage change = [(170 - 724) / 724] x 100
Subtract the new number by the original number
170 - 724 = -554
-554 ÷ 724 = -0.7651933701657458
-0.7651933701657458 x 100 = -76.52%