-78.59% is the change from 724 to 155
Calculation steps:
[( 155 - 724 ) ÷ 724] x 100 = -78.59%
Formula
Percentage change = [(155 - 724) / 724] x 100
Subtract the new number by the original number
155 - 724 = -569
-569 ÷ 724 = -0.7859116022099447
-0.7859116022099447 x 100 = -78.59%