-4.51% is the change from 643 to 614
Calculation steps:
[( 614 - 643 ) ÷ 643] x 100 = -4.51%
Formula
Percentage change = [(614 - 643) / 643] x 100
Subtract the new number by the original number
614 - 643 = -29
-29 ÷ 643 = -0.04510108864696734
-0.04510108864696734 x 100 = -4.51%