-7.46% is the change from 724 to 670
Calculation steps:
[( 670 - 724 ) ÷ 724] x 100 = -7.46%
Formula
Percentage change = [(670 - 724) / 724] x 100
Subtract the new number by the original number
670 - 724 = -54
-54 ÷ 724 = -0.07458563535911603
-0.07458563535911603 x 100 = -7.46%