-8.68% is the change from 703 to 642
Calculation steps:
[( 642 - 703 ) ÷ 703] x 100 = -8.68%
Formula
Percentage change = [(642 - 703) / 703] x 100
Subtract the new number by the original number
642 - 703 = -61
-61 ÷ 703 = -0.08677098150782361
-0.08677098150782361 x 100 = -8.68%