-12.05% is the change from 730 to 642
Calculation steps:
[( 642 - 730 ) ÷ 730] x 100 = -12.05%
Formula
Percentage change = [(642 - 730) / 730] x 100
Subtract the new number by the original number
642 - 730 = -88
-88 ÷ 730 = -0.12054794520547946
-0.12054794520547946 x 100 = -12.05%