-12.53% is the change from 734 to 642
Calculation steps:
[( 642 - 734 ) ÷ 734] x 100 = -12.53%
Formula
Percentage change = [(642 - 734) / 734] x 100
Subtract the new number by the original number
642 - 734 = -92
-92 ÷ 734 = -0.12534059945504086
-0.12534059945504086 x 100 = -12.53%