-89.09% is the change from 724 to 79
Calculation steps:
[( 79 - 724 ) ÷ 724] x 100 = -89.09%
Formula
Percentage change = [(79 - 724) / 724] x 100
Subtract the new number by the original number
79 - 724 = -645
-645 ÷ 724 = -0.8908839779005525
-0.8908839779005525 x 100 = -89.09%