-2.18% is the change from 643 to 629
Calculation steps:
[( 629 - 643 ) ÷ 643] x 100 = -2.18%
Formula
Percentage change = [(629 - 643) / 643] x 100
Subtract the new number by the original number
629 - 643 = -14
-14 ÷ 643 = -0.02177293934681182
-0.02177293934681182 x 100 = -2.18%