-11.33% is the change from 724 to 642
Calculation steps:
[( 642 - 724 ) ÷ 724] x 100 = -11.33%
Formula
Percentage change = [(642 - 724) / 724] x 100
Subtract the new number by the original number
642 - 724 = -82
-82 ÷ 724 = -0.1132596685082873
-0.1132596685082873 x 100 = -11.33%